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Alex777 [14]
3 years ago
14

Answer this question to get marked as brainliest!!!!

Mathematics
1 answer:
Mazyrski [523]3 years ago
4 0

Answer: C

Step-by-step explanation:

A= 1/2(a+b)xh

A=1/2(7+10)x5

A=8.5x5

A=42.5

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Angles 1 and 2 are complementary and congruent. what is the measure of angle 1? 30° 45° 50° 75°
lesantik [10]

see the attached figure to better understand the problem

we know that

1) If angle 1 and angle 2 are complementary angles

then

m∠1+m∠2=90\° ------> equation A

2) If angle 1 and angle 2 are congruent angles

then

m∠1=m∠2 ------> equation B

Substitute equation B in equation A

m∠1+(m∠1)=90\°

2m∠1=90\°

m∠1=45\°

therefore

<u>the answer is</u>

45\°

8 0
3 years ago
Read 2 more answers
Solve the system by substitution. x= x= \,\,-y-5 −y−5 -3x+7y= −3x+7y= \,\,-45 −45
galina1969 [7]

Answer:

(1, -6)

Step-by-step explanation:

the layout of your question is kind of confusing, but i'm guessing this is the system of equations

x = -y - 5

-3x + 7y = -45

plug in x to the second equation

-3(-y - 5) + 7y = -45

distribute

3y + 15 + 7y = -45

combine like terms

10y = - 60

divide by 10

y = -6

plug y into first equation

x = -(-6) - 5

x = 6 - 5

x = 1

6 0
3 years ago
Someone help me with this question for 15 pts and a brainliest
Rudik [331]

Answer:   46

Step-by-step explanation:

you just do 30 + 16

4 0
3 years ago
What is 14% of $59.99 and how do I figure this problem?
serious [3.7K]
Is/of =%/100 so x/59.99=14%/100 Cross multiply to get the answe
4 0
3 years ago
Read 2 more answers
logan had a bank account balance of 287 he then deposit 35 and went on a shopping trip if he spends 78 what is his new balance a
gizmo_the_mogwai [7]
The answer is 244 because you add 35 to 287 then subtract 78 and it equals 244
6 0
3 years ago
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