find the value of x
plz
7
Step-by-step explanation:
90 degree angle so 90 - 55 = 35
5x= 35
5*7=35
Answer:
B
Step-by-step explanation:
The 2 angles sum to make the right angle , that is
5x + 55 = 90 ( subtract 55 from both sides )
5x = 35 ( divide both sides by 5 )
x = 7 → B
Permutation or Combination?
How many ways can 4 toppings be selected for a pizza if there are 9 different toppings offered? (no
repeat toppings)
Answer:
More study and also hard
The football team has a total of 25 jerseys. There are 5 medium-sized jerseys. What percent of the jerseys are medium-sized jerseys?
Answer: The answer is 20%
How do I solve 12 + 36 ÷ 4? Can someone explain.
Answer:
Ans: 21
Step-by-step explanation:
Using BODMAS
12+36÷4
12+9
=21
Please Help I do not understand
Answer:
5.562148865... cm²
Step-by-step explanation:
we are asked to calculate the area of all 4 shaded (darker) triangles.
it is clear that all 4 triangles are the same size and have therefore the same area.
so, we need to calculate one area and then multiply by 4.
the area of a triangle is
baseline × height / 2
and once we have the baseline, we can calculate the height by using Pythagoras :
2² = height² + (baseline/2)²
so, let's find the baseline :
the white and the dark triangles are similar triangles. that means they have the same angles, and the ratio of the corresponding pairs of sides fit both triangles is the same for all 3 pairs.
so, we see the dark legs are 2cm compared to the large, white triangles of 4cm.
so, the ratio dark triangle / white triangle = 1/2
and therefore the dark baseline is 3×1/2 = 1.5cm
so,
2² = height² + (1.5/2)² = height² + (0.75)² = height² +(3/4)²
4 = height² + 9/16 = height² + 0.5625
height² = 4 - 9/16 = 64/16 - 9/16 = 55/16 = 3.4375
height = sqrt(3.4375) = 1.854049622...cm
the area of such a dark triangle is therefore
1.5 × height / 2 = 0.75 × height = 1.390537216...cm²
4 times this area (and therefore the total area of shaded triangles) is : 5.562148865...cm²
In the number 987,654.321, the digit 5 is in which
place?
A. The hundredths place
B. The tenths place
C. The ones place
D. The tens place
E. The thousandths place
Answer:
E. The thousandths place
Step-by-step explanation:
321 is hundreds
654 is thousands
987 is millions
Your answer would be E.
During an election، 70% of the population voted. If 70,000 people cast their votes, what is the population of the town?
Answer:
100,000
Step-by-step explanation:
70,000 people = 70% of the population.
Divide 70,000 by 70 to get the number of population per 1%:
70000 ÷ 70 = 1000
Therefore, 1000 people represent 1% of the population.
To calculate 100% of the population, multiply the number of people representing 1% by 100:
1000 x 100 = 100,000
Therefore, the population of the town = 100,000
The unit rate for number 9 which states: You create 15 centerpieces for a party in 5 hours is 5. Is this true or false.
HELPPPPP PLEASE ILL GIVE BRAINLY
Answer:
18
Step-by-step explanation:
Volume of triangular prism = area of the base x height
⇒ 81 = area of base x 4.5
⇒ area of base = 81 ÷ 4.5 = 18 in²
Answer:
18
Step-by-step explanation:
Find the Volume. 4 2/3 2cm 9 1/8
Answer:
[tex]85 cm^{3}[/tex]
Step-by-step explanation:
The formula to find the volume of a rectangular prism such as this is :
V = length * width * depth
To solve for this problem, we just plug in the values and multiply it all out.
[tex]9\frac{1}{8} *2*4\frac{2}{3}[/tex] = [tex]85\frac{1}{6}[/tex]
Therefore, the volume of this prism is 85[tex]cm^{3}[/tex].
Have a nice day and mark brainliest if possible - it always helps ;)
ar
What is the area of the triangle?
9 yd.
12 yd.
10 yd.
Answer:
we need a picture of the triangle babe
please help thanks
___________________________________
Answer:
c that is the answer because I took the quiz and it was right hope this helped if I'm wrong sorry
What is the numerator of the simplified sum? StartFraction x Over x squared 3 x 2 EndFraction StartFraction 3 Over x 1 EndFraction.
You can use the factored form of the quadratic polynomial and then find the simplified sum.
The numerator of the simplified sum of the given expression is [tex]4x + 6[/tex]
How to factorize a quadratic polynomial with single variable?Quadratic polynomial with single variables are expressible in the form
[tex]ax^2 + bx + c[/tex] where x is the variable and a,b,c are constants.
Its factored form is
[tex]\dfrac{1}{4a^2} \times (2ax +b-\sqrt{b^2 - 4ac})(2ax +b+ \sqrt{b^2 - 4ac})[/tex]
Using the above method and finding the simplified form of the given expressionThe given expression is
[tex]\dfrac{x}{x^2 + 3x + 2} + \dfrac{3}{x + 1}[/tex]
Factorizing [tex]x^2 + 3x +2[/tex] using the aforesaid method, as we have got
a = 1, b = 3, c = 2,
thus, we have
[tex]ax^2 + bx + c = \dfrac{1}{4a^2} \times (2ax + b-\sqrt{b^2 - 4ac})(2ax +b + \sqrt{b^2 - 4ac})\\\\\begin{aligned}x^2 + 3x + 2 &= \dfrac{1}{4}(2x + 3 - \sqrt{9-8})(2x + 3 + \sqrt{9-8})\\\\&= \dfrac{1}{2}(2x+2) \times \dfrac{1}{2}(2x+4)\\&= (x+2)(x+1)\end{aligned}[/tex]
Thus, the given sum is
[tex]\begin{aligned}\dfrac{x}{x^2 + 3x + 2} + \dfrac{3}{x + 1} &= \dfrac{x}{(x+2)(x+1)} + \dfrac{3}{x + 1} \times \dfrac{(x+2)}{(x+2)}\\\\&= \dfrac{x + 3(x+2)}{(x+1)(x+2)} \\&= \dfrac{4x + 6}{(x+1)(x+2)}\\\end{aligned}[/tex]
Thus, the numerator of the simplified sum is [tex]4x + 6[/tex]
Learn more about fractions here:
https://brainly.com/question/14261303
Answer:
4x+6
Step-by-step explanation:
C on edge 2022
Please help! DUE at 11:30!!!!!
Answer:
y=5x-3
Step-by-step explanation:
y-intercept is always at the end
so it is y=mx-3
gradient replaces m
y=5x-3
If p = 20 and q = 30, evaluate the following expression:
p+q/5
Answer:
10
Step-by-step explanation:
20+30/5
=10
pls help me i need this to get a 100
Answer:
?- _ - _- -_ _- -
Answer:
What do you need help with dude
Step-by-step explanation:
Help me with this two question please
180°
25°
X
x=
100 POINTS PLS HELP
Answer:
x=65*
Step-by-step explanation:
theres a small rectangle near x and it means that the angle is 90*
and the upper angle is 180
180+90+25+x=360*
x=65*
Answer:
∠x=65°
Step-by-step explanation:
The angles given are complementary angles ( 90°).
25°+∠x=90°
∠x=65°
A particle is acted upon by two forces F1 and F2 given by F1 =(-4i + 7j) N and F2 = (2ai - aj) N, where a is a positive constant. The resultant of F1 and F2 is R.
Given that R is parallel to 3i + j find the value of a. (4 marks)
The two given forces,
[tex]\mathbf F_1 = (-4 \, \mathbf i + 7 \, \mathbf j) \, \mathrm N[/tex]
[tex]\mathbf F_2 = (2a \, \mathbf i - a \, \mathbf j) \, \mathrm N[/tex]
have resultant
[tex]\mathbf R = \mathbf F_1 + \mathbf F_2 = ((2a-4) \, \mathbf i + (7 - a) \, \mathbf j) \, \mathrm N[/tex]
R is parallel to the vector 3i + j, which means the angle between these two vectors is either θ = 0° or θ = 180°. Then
[tex]\mathbf R \cdot (3 \, \mathbf i + \mathbf j) = \|\mathbf R\| \|3\,\mathbf i+\mathbf j\| \cos(\theta)[/tex]
[tex]\implies 3(2a-4)+(7-a) = \pm \sqrt{10} \, \sqrt{(2a-4)^2+(7-a)^2}[/tex]
[tex]\implies 5a - 5 = \pm \sqrt{50} \, \sqrt{a^2 - 6a + 13}[/tex]
[tex]\implies a - 1 = \pm \sqrt2 \, \sqrt{a^2 - 6a + 13}[/tex]
Solve for a :
[tex]a - 1 = \pm \sqrt2 \, \sqrt{a^2 - 6a + 13}[/tex]
[tex]\implies (a - 1)^2 = \left(\pm \sqrt2 \, \sqrt{a^2-6a+13}\right)^2[/tex]
[tex]\implies a^2 - 2a + 1 = 2a^2 - 12a + 26[/tex]
[tex]\implies 0 = a^2 - 10a + 25[/tex]
[tex]\implies 0 = (a - 5)^2[/tex]
[tex]\implies \boxed{a = 5}[/tex]
If 1/8 pound of uncooked rice makes one serving, how many servings are in a 15-pound bag of rice?
Answer:
120
1/1/8=8
8X15=120
hope this helps
Find the slope of the line that passes through the points (9, -2) and (4, 3)
(
Answer:
-1
Step-by-step explanation:
See Image
hope this helps.
PLS MARK BRAINLIEST IF CORRECT ; )
Simplify (3x − 5) (5x 1). 8x − 6 8x 4 8x − 4 2x − 4.
Answer:
8x-4
i remember being asked this question but i dont remember how to do it and i am sorry for that... but i know that it is 8x-4
a line has a slope of zero Which of the following points could this line pass through
Answer:
B
Step-by-step explanation:
m(slope) = y2 - y1 / x2 - x1
-6 - - 6 / 7 - 3
= 0 / 4 = 0
Marta is planning a field trip to the zoo. Admission to the zoo is $12 per student and $20 per adult. What expression represents the total cost of admission for a group of x students and y adults? StartFraction x over 20 EndFraction StartFraction y over 12 EndFraction StartFraction x over 12 EndFraction StartFraction y over 20 EndFraction 12 x 20 y 20 x 12 y.
Answer:
12x+20y
Step-by-step explanation:
x=students y=adults
12(students)+20(adults)
Answer:
c
Step-by-step explanation:
:)
Finding angle measures using triangles
What is the measure of Z2?
Angles are not necessarily drawn to scale.
B
56°
1149
20
D
А
2x=
please give answer asap!
Answer:
58 =x
Step-by-step explanation:
The exterior angle is the sum of the opposite interior angles
114 = 56+x
114 -56 =x
58 =x
what is 4 7/8 divide by 9 ?
Answer:
13/24
Step-by-step explanation:
First: Convert any mixed numbers to fractions. ( 4 7/8 = 39/8 )
Then your initial equation becomes:
39/8÷9/1
Applying the fractions formula for division,
=39×1/8×9
=39/72
Simplifying 39/72, the answer is
=13/24
Answer:
13/24
Step-by-step explanation:
4 x 8 = 32 + 7= 39. Then it would be 39/8 ÷ 9/1 but you would have to do KCF. KEEP the 39/8, CHANGE the division sign into a multiplication sign, and FLIP the 9/1 to 1/9. 39 x 1= 39. 8 × 9= 72. Therefore, the fraction would be 39/72, but you still can simplify. So it would be 13/24.
Is the new deal a good one?
Yes, the new deal is a good one.
No, the new deal is not good.
Answer:
The New deal helped the economy during the great depression
Describe the graph that is produced by the equation (x-7)^2+(y+5)^2>25
Step-by-step explanation:
The equation will form a circle because it in the form of
[tex](x - h) {}^{2} + (y - k) {}^{2} = {r}^{2} [/tex]
First, let set the equation equal.
[tex](x - 7) {}^{2} + (y + 5) {}^{2} = 25[/tex]
Here the center will be (7,-5), and the radius of 5. The boundary line will be dashed
Since this is in the inequalities, we must find the solution set.
Plug in 0,0 for x and y and see if it's true.
[tex](0 - 7) {}^{2} + (0 + 5) {}^{2} > 25[/tex]
[tex]49 + 25 > 25[/tex]
[tex]74 > 25[/tex]
This is a true so we shade the region that includes 0,0
Since 0,0 has a greater distance from the center of the circle, 0,0 is outside of the circle, so our solution set will
be outside of circle.
Here a picture of graph,
I need help really fast!
write the sentence as an equation
the product of 288 and q, minus 185 is 236 times q , decreased by 245
Answer:
288q-185=236q-245
Answer: 288q - 185 = 236q - 245
Explanation:
A product is the result of multiplying. So "product of 288 and q" means "288 times q" or "288*q" or simply "288q".
The rest of the sentence your teacher gave you is probably self explanatory, so there's not much else to mention.
Can anybody help me with explaining polynomials and multiplying them with exponents to please don’t give me a random answer just to get points! I’m really stuck!
Answer:
First, you need to know how to multiply two monomials together. A monomial is a one term polynomial.
2x × 5x, 2x²y × 3xy², and ab² × 4b³ are examples of products of monomials.
To multiply monomials together, multiply the number parts together and multiply the variables together.
Here are the 3 examples above solved:
2x × 5x = 10x²
2x²y × 3xy² = 6x³y³
ab² × 4b³ = 4ab^5
To multiply two polynomials together, multiply every term of the first polynomial by every term of the second polynomial. then combine like terms.
Example:
(2x² + 3x - 8)(4x³ - 5x²) =
= 2x² × 4x³ + 2x² × (-5x²) + 3x × 4x³ + 3x × (-5x²) - 8 × 4x³ - 8 × (-5x²)
= 8x^5 - 10x^4 + 12x^4 - 15x³ - 32x³ + 40x²
= 8x^5 + 2x^4 - 47x³ + 40x²
This is a lot of material in very little space. You need to start with simple examples of multiplication of 2 monomials. Then practice multiplying a monomial by a binomial. Then practice with polynomials of more terms.
