Answer:
Step-by-step explanation:
Answer:
95 degrees
Step-by-step explanation:
since angles 1 and 4 are vertical angles, they are congruent
3x+10=4x-15
3x-4x=-15-10
-x=-25
x=25
x=25 degrees
angles 4 and 7 are supplementary due to them being alternate exterior angles
lets find the measure of angle 4:
4x-15
4*25-15
100-15
85 degrees
Now, lets find the angle measure of angle 7:
85+x=180
x=180-85
x=95
So, the angle measure of angle 7 is 95 degrees
<span><span>Step by step is like....:
(<span><span><span>3<span>x2</span></span>+<span>2x</span></span>−3</span>)</span><span>(<span>x−1</span>)</span></span><span>
=<span><span>(<span><span><span>3<span>x2</span></span>+<span>2x</span></span>+<span>−3</span></span>)</span><span>(<span>x+<span>−1</span></span>)</span></span></span><span>
=<span><span><span><span><span><span><span>(<span>3<span>x2</span></span>)</span><span>(x)</span></span>+<span><span>(<span>3<span>x2</span></span>)</span><span>(<span>−1</span>)</span></span></span>+<span><span>(<span>2x</span>)</span><span>(x)</span></span></span>+<span><span>(<span>2x</span>)</span><span>(<span>−1</span>)</span></span></span>+<span><span>(<span>−3</span>)</span><span>(x)</span></span></span>+<span><span>(<span>−3</span>)</span><span>(<span>−1</span>)</span></span></span></span><span>
=<span><span><span><span><span><span>3<span>x3</span></span>−<span>3<span>x2</span></span></span>+<span>2<span>x2</span></span></span>−<span>2x</span></span>−<span>3x</span></span>+3</span></span><span>
=<span><span><span><span>3<span>x3</span></span>−<span>x2</span></span>−<span>5x</span></span>+<span>3
Hoped I helped!</span></span></span>
Answer:
18 in. would be the correct answer.
Step-by-step explanation: