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Levart [38]
3 years ago
8

Angle B and angle C are complementary. If angle B is five times the size of angle C which equation can be used to find the measu

re of angle C?
A
5x+x=180

B
5x=180

C
5x+x=90

D
5x=90
Mathematics
1 answer:
NNADVOKAT [17]3 years ago
8 0

Answer:

5x + x = 90

Step-by-step explanation:

5x+x=90 because complementary angles complete each other to 90 degrees

and one of the angle is stated as 5 times of other

now if we let x represent the angle then the equation would be :

5x + x = 90 degrees

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Which expression is equivalent to -6x + 7.5?
Grace [21]

Answer:

[A] -3(2x-2.5)

Step-by-step explanation:

<em>Given:</em>

<em>Which expression is equivalent to -6x + 7.5?</em>

<em>Solution:
Going through all answer choices:</em>

<em>[A] -3(2x-2.5)</em>

<em>Simplify</em>

<em>-6x + 7.5</em>

<em />

<em>[B] -3(2x + 2.5)</em>

<em>Simplify</em>

<em>-6x - 7.5</em>

<em />

<em>[C] -3(2x-7.5)</em>

<em>Simplify</em>

<em>-6x+22.5</em>

<em />

<em>[D]  -3(2x + 7.5)</em>

<em>Simplify</em>

<em>-6x - 22.5</em>

<em />

<em>Hence, the answer is [A] -3(2x-2.5)</em>

<em />

<em />

<u><em>Kavinsky</em></u>

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5 0
2 years ago
Read 2 more answers
A recipe for banana bread requires 3 cups of bananas for every 1 1/2 cups of sugar used.At this rate,how many cups of sugar shou
arsen [322]

Answer: 1 cup of sugar

Step-by-step explanation:

A recipe for banana bread requires 3 cups of bananas for every 1 1/2 cups of sugar used.

Converting 1 1/2 cups of sugar to improper fraction becomes 3/2 cups of sugar.

If 3 cups of bananas is required for 3/2 cups of sugar,

x cups of bananas will require 1 cup of sugar

3x / 2 = 3

3x = 6

x = 6/3 = 2

Therefore,

2 cups of bananas will require 1 cup of sugar.

We are looking for the number of cups of sugar that would require 2 cups of bananas.

We already got the answer.

1 cup of sugar would be used if 2 cups of bananas are used.

6 0
3 years ago
Simon draws a rectangle with two sides that are 2 inches long and two sides that are 3 inches long.Chaz draws a figure with the
7nadin3 [17]
The other shape might be a trapezoid.
3 0
3 years ago
Solve the logarithmic equation with Properties of Logs
Rufina [12.5K]

Answer:

Simplifying

logx + -4 = 0

Reorder the terms:

-4 + glox = 0

Solving

-4 + glox = 0

Solving for variable 'g'.

Move all terms containing g to the left, all other terms to the right.

Add '4' to each side of the equation.

-4 + 4 + glox = 0 + 4

Combine like terms: -4 + 4 = 0

0 + glox = 0 + 4

glox = 0 + 4

Combine like terms: 0 + 4 = 4

glox = 4

Divide each side by 'lox'.

g = 4l-1o-1x-1

Simplifying

g = 4l-1o-1x-1

4 0
3 years ago
Read 2 more answers
How do I solve for -31 -8r = -3(5r -6)
Dennis_Churaev [7]
Our current equation is:
-8r -31 = -3(5r -6)
To solve for this, we need to get r on one side of the equation and then simplify if needed.
On the right side of the equation, we have a pending Distributive Property, which is when you multiply the number/variable outside of the parenthesis by all numbers/variables in the parenthesis.
Let's simplify this Distributive Property to help understand our equation better.
-3(5r -6)
Multiply -3 by each number/variable separately (unless they are already being multiplied, like 2x, 1/2x, etc).
-3(5r) + -3(-6).
-3(5r) = -15r
-3(-6) = 18 (both negatives need to be in parenthesis to keep a product as negative, and if you do not multiply them in that way, you will end up with a positive product).
Your equation now is:
-8r -31 = -15r + 18
Add 15r to both sides to get r on one side.
7r -31 = 18 is now our current equation.
Add 31 to both sides to get 7r by itself.
7r = 49 is now our equation.
r is still being multiplied by 7, so we need to do the opposite of multiplying by 7.
Divide both sides by 7.
r = 7.
I hope this helps!
8 0
3 years ago
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