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ycow [4]
3 years ago
14

Which equation can be used to solve for x in the following diagram? 7xº 11x°

Mathematics
1 answer:
telo118 [61]3 years ago
8 0

Answer:

7x° + 11x° = 90°

(Required equation)

Step-by-step explanation:

7x° + 11x° = 90°

(complementary angles)

18x° = 90°

18x = 90

x = 90/18

x = 5

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Distributive property equations are equations when you are ____ one term with another 2 or more terms inside parentheses.
Mariulka [41]
I think the answer is multiplying
5 0
2 years ago
The first term of a geometric sequence is −2 and the common ratio is 3. What is the fourth term of the sequence?
Nat2105 [25]

Answer: -54

Step-by-step explanation:

The question is the first term of a geometric sequence is −2 and the common ratio is 3. The formula for finding the nth term of a geometric sequence is: ar^n-1

where,

a = first term = -2

r = common ratio = 3

n = number of terms = 4

The solution has been attached. The answer is -54

5 0
3 years ago
Charles can move 16 boxes in 4/3 of an hour. How many boxes can he move in one hour
r-ruslan [8.4K]

Answer:

Your answer is 4

Step-by-step explanation:

In one hour he made 4 boxes two hours he made 8 just add four from there

5 0
3 years ago
Read 2 more answers
Write an equation that passes through the points (3, 6) and (1,-1)
Marina CMI [18]
Finding gradient:

m = y2 - y1
x2 - x1

= -1 - 6
1 - 3

= -7 / (-2)
= 7/2

y = m(x - x1) + y1
y = 7(x - 3) + 6
2
2y = 7x - 21 + 12
2y = 7x - 9
7 0
3 years ago
Read 2 more answers
What are the values of a and b?
ivann1987 [24]

Answer:

<h2>a = 400/21, b = 580/21</h2>

Step-by-step explanation:

Small triangles are similar. Therefore, the sides are proportional

\dfrac{a}{20}=\dfrac{20}{21}               <em>cross multiply</em>

21a=(20)(20)       <em>divide both sides by 21</em>

a=\dfrac{400}{21}

For b, we can use the Pythagorean theorem:

b^2=\left(\dfrac{400}{21}\right)^2+20^2\\\\b^2=\dfrac{160000}{441}+400\\\\b^2=\dfrac{160000}{441}+\dfrac{176400}{441}\\\\b^2=\dfrac{336400}{441}\to b=\sqrt{\dfrac{336400}{441}}\\\\b=\dfrac{\sqrt{336400}}{\sqrt{441}}\\\\b=\dfrac{580}{21}

3 0
3 years ago
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