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VMariaS [17]
3 years ago
11

Someone please answer these for me? i need it

Mathematics
1 answer:
Troyanec [42]3 years ago
4 0

Answer:

7-(1)

8- (2)

Step-by-step explanation

7- if (-2) negative two was to be multiplied by any other number it would be negative but in this case because (0) zero is a neutral number (not negative or positive) and anything multiplied by zero is itself  the correct answer is zero property of multiplication.

8- If you distrubute -6(a-7) you get -6a+42

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Isosceles triangle LMN is graphed with vertices L(0, 1), M(3, 5), and N(6,1). What is the slope of side LN?
Vaselesa [24]
L(0, 1)
N(6, 1)

slope formula;
m = y2 - y1/ x2 - x1

m = 1 - 1/ 6 - 1

m = 0/5

m = 0 

hope this helped, God bless!
9 0
3 years ago
Read 2 more answers
Calculate the volume of the right rectangular prism shown. <br><br> Edulastic Question
Marysya12 [62]

since we have the area of the front side, to get its volume we can simple get the product of the area and the length, let's firstly change the mixed fractions to improper fractions.

\stackrel{mixed}{23\frac{2}{3}}\implies \cfrac{23\cdot 3+2}{3}\implies \stackrel{improper}{\cfrac{71}{3}} ~\hfill \stackrel{mixed}{4\frac{7}{8}}\implies \cfrac{4\cdot 8+7}{8}\implies \stackrel{improper}{\cfrac{39}{8}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{71}{3}\cdot \cfrac{39}{8}\implies \cfrac{71}{8}\cdot \cfrac{39}{3}\implies \cfrac{71}{8}\cdot 13\implies \cfrac{923}{8}\implies 115\frac{3}{8}~in^3

5 0
2 years ago
Find the values for c and d
baherus [9]

Answer:

c=-5

d=1

Step-by-step explanation:

(cy^2)(4y^d)=-20y^3

I'm going to reorder the left-hand side.  Multiplication is commutative.

(4c)(y^2y^d)=-20y^3

Since the bases are the same in y^2y^d and the operation is multiplication, I'm going to add the exponents giving me:

4cy^{2+d}=-20y^3

So this implies we have two equations to solve:

4c=-20 and 2+d=3

So the first equation can be solved by dividing both sides by 4 giving you c=-5.

The second equation can be solved by subtracting 2 on both sides giving you d=1.

6 0
3 years ago
This is in integers.<br><br> Q: evaluate (+5)-(+9)-(-7)
creativ13 [48]

can be simplified as 5-9+7=-4+7=3

3 0
3 years ago
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Karo-lina-s [1.5K]

Answer:

1. 74 because 8(10) - 6

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4. A

5.a

6. 20.5

7.26

8.a

9.a

10a

Step-by-step explanation:

3 0
3 years ago
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