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Svet_ta [14]
4 years ago
8

-8 (y - 1 )= that's all it says

Mathematics
2 answers:
lozanna [386]4 years ago
4 0
Maybe they want you to use the distributive property to solve the problem. I believe the answer would be -8y+8 if you distribute/ multiply -8 to y and -8 to -1.
USPshnik [31]4 years ago
3 0
Maybe you need to distribute it. -8y + 8
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The base angle of an isosceles triangle measures 54 degrees. What is the measure of its vertex angle?
ELEN [110]

Answer:

108

Step-by-step explanation:

6 0
3 years ago
Im comfused need help
gulaghasi [49]
5) So for parallelogram ABCD, ∠B ≅ ∠D, and ∠A ≅ ∠C. Further, ∠B and ∠A are supplementary (i.e., their sum is 180°), and ∠D and ∠C are also supplementary.

So, we have that m∠B = m∠D. Therefore, 

6x-42=3x+15\\3x=57\\x=19.

Now, let's substitute for x back into the expression for either ∠B or ∠D to find it's angle measure.

m∠B = 6(19)-42=72

Now, remember that ∠B or ∠D are supplements of ∠A. 

So, m∠B + m∠A = 180°.

That means m∠A = 180° – 72° = 108°.

That seems reasonable, because A appears to be an obtuse angle.

6) 

m∠BAE + m∠DAE + m∠ABC = 180°
3x+6+10x+2+12x-3=180\\25x+5=180\\x=7

∠ABC ≅ ∠ADC.

m∠ABC = 12(7)-3=81

m∠ADC = 81°.

7)

AC=5x+1
AE=3x-3
AB=4x+1

AC=2AE\\\\5x+1=2(3x-3)\\\\5x+1=6x-6\\\\7=x

AB=DC

AB=4(7)+1=29

DC = 29
4 0
3 years ago
Consider the sequence: 3, 8, 13, 18, 23, ...The recursive formula for this sequence is:an = an-1 + 5In a COMPLETE sentence, expl
Akimi4 [234]

Answer:

a_8=38

Step-by-step explanation:

<u>Recursive sequence </u>

In a recursive sequence formula, each term a_n is computed as a function of one or more previous terms. In the formula

a_n=a_{n-1}+5

n is the number of the term we want to calculate. If n=8, then the formula becomes

a_8=a_{7}+5

We can see a_{n-1} is the previous term. It means we need a_7 to be able to compute a_8. But we also need a_6 to compute a_7 and so on until some known data is reached. The question provides five terms, a_5=23.

a_6=a_5+5=28

a_7=a_6+5=33

a_8=a_7+5=38

a_8=38

4 0
3 years ago
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zubka84 [21]

Answer:

6 Miles and the cost is $4.50

Step-by-step explanation:

3+0.25=0.75x

3+0.50x

6=x

0.75x+?

0.75 x 6= 4.50

7 0
3 years ago
If triangle ABC congruent triangle MNO, then what corresponding angle is congruent to angle N?
vitfil [10]
B
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