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elixir [45]
2 years ago
9

Solve the system by substitution. 7x-3y=-25 4x+5=y Simplify ( , )

Mathematics
1 answer:
Lynna [10]2 years ago
3 0

Answer:

nznsjisisjnsnaksodood

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Stuffed animals each weighing 1 over 4 pound are on a scale. The scale shows 1 1 over 2 pounds. How many stuffed animals are on
Anna35 [415]

Answer:

6 stuffed animals

Step-by-step explanation:

if 1/4= 1 then 1x6= 1 1/2

4 0
3 years ago
(5x² – 8x + 1) + (2x² - 4x – 11)
djverab [1.8K]

Answer:

7x²-12x-10

Step-by-step explanation:

(5x²-8x+1) + (2x²-4x-11)

combine like terms

7x²-12x-10

7 0
3 years ago
. The Empire State Building is a 102-story skyscraper. Its height is 1,250 ft. from the ground to the roof. The length and width
Aleks [24]

Answer: a) Dimensions of miniature is 0.17 × 0.08 × 0.5, b) 0.006 ft³.

Step-by-step explanation:

Since we have given that

Height of building = 1250 feet

Length of building = 424 ft

Width of building = 187 ft

Now, we know that The miniature version is just 1/ 2500 of the size of the original.

So, Height of miniature would be

\dfrac{1250}{2500}=0.5\ ft

Length of miniature would be

\dfrac{424}{2500}=0.17\ ft

Width of miniature would be

\dfrac{187}{2500}=0.08\ ft

a) What are the dimensions of the miniature Empire State Building?

Dimensions of miniature is 0.17 × 0.08 × 0.5

b. Determine the volume of the miniature building. Explain how you determined the volume.

Volume=0.5\times 0.08\times 0.17=0.006\ ft^3

Hence, a) Dimensions of miniature is 0.17 × 0.08 × 0.5, b) 0.006 ft³.

6 0
3 years ago
Find three consecutive integers such that that product of the first and third is one
Tema [17]

Answer:

n = the first

n + 1 = the 2nd

n + 2 = the 3rd

n(n + 2) - (n + 1) = 10(n + 2) + 1

n2 + 2n - n - 1 = 10n + 20 + 1

n2 - 9n - 22 = 0

(n - 11)(n + 2) = 0

If two factors = 0, at least one must = 0.

n - 11 = 0

n = 11

11,12,13

n + 2 = 0

n = -2

-2,-1,0

7 0
2 years ago
Simplify the expression.
Anastasy [175]

Answer:

The answer to this question is positive 6.

Step-by-step explanation:

A negative divided by a negative is a positive.

3 0
3 years ago
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