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ivann1987 [24]
4 years ago
12

7 (x+2)= -49 is X=5, -9 ?

Mathematics
1 answer:
stich3 [128]4 years ago
6 0

Answer:

x= -9

Step-by-step explanation:

7(x+2) = -49

7(x+2)/7 = -49/7

x+2 = -7

x+2-2 = -7-2

x = -9

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At smith lake boat rentals it costs $25 per hour to rent a boat plus one time charge for cleaning. The bengal family rented a bo
vesna_86 [32]

Answer: the Jones family paid $164

Step-by-step explanation:

Let x represent the one time charge that smith lake boat rentals charge for cleaning.

The bengal family rented a boat from 11 am- 6:30pm and paid $226.50. This means that the number of hours for which they rented the boat is

11 - 6:30/= 7.5 hours

Therefore,

25 × 7.5 + x = 226.5

187.5 + x = 226.5

x = 226.5 - 187.5

x = $39

If the jones family rented a boat from 8am-1pm, the number of hours would be 5 hours.

The amount that they paid is

39 + 5 × 25 = 39 + 125

= $164

3 0
3 years ago
Web developers use the hex color code system. The format is a # followed by 6 numbers or letters. The numbers can be anything fr
Norma-Jean [14]

Answer:

16,777,216

Step-by-step explanation:

5 0
3 years ago
A punch recipe says to mix 4 cups of pineapple juice 8 cups of orange juice in 12 cups of Seltzer in order to make 18 servings o
Vedmedyk [2.9K]

Answer:

∴ Pineapple juice  18 cups , Orange juice 36 cups and Seltzer juice  54 cups.

Step-by-step explanation:

Given;

To mix 4 cups of pineapple juice 8 cups of orange juice in 12 cups of Seltzer in order to make 18 servings of plants

Total cup of juice,

(4+8+12)=24 cups

To make 108 cups of punch then;

\frac{108}{24} =4.5  ( By fraction rules )

Pineapple juice=4\times 4.5=18 cups

Orange juice=8\times 4.5=36 cups and

Seltzer juice=12\times 4.5=54 cups

So Pineapple juice  18 cups , Orange juice 36 cups and Seltzer juice  54 cups.

3 0
3 years ago
Write the explicit formula that represents the geometric sequence -2, 8, -32, 128
Jet001 [13]

The Geometric Sequence Formula:

a_n=a_1r^{n-1}

We have:

a_1=-2,\ a_2=8,\ a_3=-32,\ a_4=128,\ ...

d=\dfrac{a_{n+1}}{a_n}\to d=\dfrac{8}{-2}=-4

Substitute:

a_n=-22\cdot(-4)^{n-1}=-22\cdot(-4)^n\cdot(-4)^{-1}=-22\cdot(-4)^n\cdot\left(-\dfrac{1}{4}\right)=5.5(-4)^n

7 0
3 years ago
Read 2 more answers
A 1000-millimeter intravenous bag is attached to patient with s tube and is empty after 8hours. At what rate dose the solution f
Andrei [34K]
That should be 1,000 MILLILITER bag.

1,000 ml per 8 hours =
125 ml per hour


8 0
4 years ago
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