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Aneli [31]
3 years ago
12

Need help combining like terms

Mathematics
1 answer:
yaroslaw [1]3 years ago
7 0

Answer:

-10x+7.5

Step-by-step explanation:

-2.5(4x-3)

Multiply each term by -2.5

-2.5 * 4x = -10x

-2.5 * 3 = 7.5

-10x + 7.5

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What ratios are equivalent<br> to 3/5
barxatty [35]
The given ratios 3: 5 and 15: 25 are equal. Because when you divide the ratio 15: 25 by 5 on both numerator and denominator, the first ratio 3: 5 can be obtained. Similarly, when you multiply the first ratio 3: 5 by 5, the ratio 15: 25 can be obtained.
5 0
3 years ago
The perimeter of the scalene triangle is 54.6 cm.
olchik [2.2K]

Answer:

b = 45.9 - c

Step-by-step explanation:

A scalene triangle has non of its sides equal.

Perimeter = 54.6

side a = 8.7 cm

side b = unknown

side c = unknown

Perimeter of a shape is sum of all its sides.

Perimeter = a + b + c

54.6 = 8.7 + b + c

Making b the subject

b = 54.6 - 8.7 - c

b = 45.9 - c

The value of b is (45.9 - c)

7 0
3 years ago
If a jeep averages 30.5 miles per gallon, how many miles will it travel on 14 gallons of gas?
Aleks04 [339]

Answer: 427 miles

Step-by-step explanation:

if the jeep averages 30.5 miles per gallon, and you have 14 gallons, then you will need to multiply 30.5*14 to get your answer, which is 427

7 0
1 year ago
Find four consecutive integers whose sum is 114
bija089 [108]

Answer:

the sum of 27,28,29,30 is 114

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
If
Anna11 [10]
Answer: -104

Explanation: x=-9 y=2
2(y-3xy)
=2(2-3(-9)(2))
=4-2(3(-18))
=4-108
=-104

Hope it helped

4 0
2 years ago
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