What is the measure of E?

Mathematics

1 answer:

Oxana [17]4 years ago

7 0

Hello!

Triangles ALWAYS measure 180°. One angle is 25°. In the other side, the length is the same, 10. That must mean that the other angle is also 25°

First add 25 and 25

$25 + 25 = 50$

Now, subtract 50 from 180 because 180 is the total and 2 of the angles measure 50° together.

$180 - 50 = 130$

$\framebox{Your answer is A. 130 \°}$

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olganol [36]

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Murrr4er [49]

the complete question in the attached figure

Part A

we know

price poster boards----------- > $0.75

let

p------------- > number of poster boards

q------------- > money spends on poster boards----------> $2.25

q=p*0.75---------> p=q/0.75=2.25/0.75=3

the answer part A is 3

Part B

Let

x-------------- >number of paint brushes------------ > $0.95

y-------------- >number of jar of paint ------------ > $0.99

we know

0.95x+0.99y=4.87

using a graph tool

see the attached figure

the solution is the line shown in the graph

the solution must be a pair of whole numbers, <span>the only pair that meets that condition is the point (2,3)

x=2-------------- ></span>number of paint brushes
y=3-------------- >number of jar of paint