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Stels [109]
3 years ago
6

Select all expressions equivalent to 6x + 12 – 4x – 3 + 3x.

Mathematics
1 answer:
KengaRu [80]3 years ago
6 0

Answer:

First task: 2., 5.

Second task: 1., 2.

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The cost of fabric (y) is directly proportional to he length is yards (x). If 5 yards of fabric cost $14, which equation models
marta [7]

Answer:

5x = 14

Step-by-step explanation:

If 5 yards of fabric is $14 you need an equation that would solve how much 1 yard of fabric costs. You can say 5x = 14 or x = 2.8 which means that one yard of fabric (1x or just x) is $2.80.

5 0
4 years ago
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Susan has 4 gallons of juice. How many cups of juice does she have?
Fittoniya [83]
She has 64 cups
1 gallon is 16 cups
4 0
3 years ago
Log2 (M) + log3 (N)<br> how do you solve??
natta225 [31]

Answer:

log2(M)+log3(N)

simplifies to:

simplified step by step

Step-by-step explanation:

0.30103m+0.477121n.

the answer is

0.39103m+0.477121n

6 0
3 years ago
5 times the sum of s and 7
EastWind [94]

Answer:

5(s+7) or (s+7)*5

Step-by-step explanation:

Read the question carefully when trying to do these problems. Whenever it states "sum" then you should automatically put the terms behind it (s and 7) together to add them together. This would look like s+7.

Next it says 5 TIMES the sum of the terms therefore you should put s+7 together in parentheses and multiply them by 5 so that you first have the sum of s and 7 in parentheses. This would then look like 5(s+7) or (s+7)*5.

6 0
3 years ago
What is the sum of the solutions of the equation 1.5x^2 - 2.5x -1.5 = 0? Round to the nearest hundredth. ​
BARSIC [14]

Answer:

Sum = 1.67

Step-by-step explanation:

Given:

1.5x^2 - 2.5x -1.5 = 0

Required

Determine the sum of the solutions

This question will be answered using quadratic formula:

x = \frac{-b\±\sqrt{b^2 - 4ac}}{2a}

Where:

a = 1.5

b = -2.5

c = -1.5

So, we have:

x = \frac{-(-2.5)\±\sqrt{(-2.5)^2 - 4*1.5*-1.5}}{2*1.5}

x = \frac{2.5\±\sqrt{6.25 +9}}{3}

x = \frac{2.5\±\sqrt{15.25}}{3}

x = \frac{2.5\±3.91}{3}

x = \frac{2.5+3.91}{3} or x = \frac{2.5-3.91}{3}

The sum of the solution is then calculated as:

Sum = \frac{2.5+3.91}{3} + \frac{2.5-3.91}{3}

Take L.C.M

Sum = \frac{2.5+3.91+2.5-3.91}{3}

Sum = \frac{5}{3}

Sum = 1.67

5 0
3 years ago
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