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blsea [12.9K]
3 years ago
11

Which of the following best describes the solution to the equation below? 2(7x +9) = 4(8x =10) A. no real solutions B. exactly o

ne real solution, C. infinite real solutions D. exactly one real solution
Mathematics
1 answer:
Snezhnost [94]3 years ago
6 0

Answer:

A. no real solutions

Step-by-step explanation:

2(7x + 9) = 4(8x + 10)

17x + 9 = 32x + 10 - simplify

17x = 32x + 1 - subtract 9 from both sides

0 = 32x/17x + 1 - divide 17 by 32

0 = 1.8x + 1

0 does not = 1.8x +1

Therefore, there is NO real solution

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2. Find the perimeter of each of the composite figures: please explain how you got the anser please
stiv31 [10]

Answer:

a) 52

b) 21 + 6.25π

Step-by-step explanation:

Part (a)

the sides which we don't have:

(longer side): 7+6 = 13m

(shorter side): 13—8= 5m

So:

Perimeter = 2P = 13+5+7+8+6+13=52

Part (b)

perimeter of the half circle:

\pi  \times {r}^{2}  =  \pi  \times {2.5}^{2}  = 6.25\pi

So:

Perimeter = 2P = 2×8 + 5 + 6.25π = 21 + 6.25π

5 0
3 years ago
Solve it please using substitution. <br> y = 2x - 1<br> y = 5x - 7
geniusboy [140]
X=1 and y=2 I did it on a peice of paper
6 0
3 years ago
How many cubes with 5-inch sides will completely fill a cube that is
Romashka-Z-Leto [24]
There are 8 because

5³ ⇒ 125

There are 1000 cubic inches.

And 1000 ÷ 125 ⇒ 8



6 0
4 years ago
D. Describe why this statement is false.
umka2103 [35]

Answer:

59%

Step-by-step explanation:

There are 7 days out of 14 that are 20 or more

That would be 59%

4 0
3 years ago
A water pump can pump 250 gallons from a pool in 5 minutes. How much water can be pumped in 1 minute.
Temka [501]
You would divide 250 by 5 and get the result of 50.

50*5= 250


3 0
4 years ago
Read 2 more answers
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