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notsponge [240]
3 years ago
13

Please help me and explain

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
6 0

it is -5/12 just * the numbers

yaroslaw [1]3 years ago
6 0

-5/8 x 2/3

-5 x 2 = -10

-8 x 3 = 24

-10/-24

-5/-12

your answer is negative 5/12

Hope that helps!

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A box of cereal states that there are 81 calories in a 7-cup serving. What is the unit rate for calories
mr_godi [17]

Answer:

23.142857143 calories or 23 1/7 calories

The unit rate is calories per cup

Step-by-step explanation:

7- cup serving = 81 calories

2 cups = x calories

Cross Multiply

2 cups × 81 calories = 7 cups × x

x = 2 cups × 81 calories/7 cups

x = 23.142857143 calories or 23 1/7 calories

5 0
3 years ago
What equation represents a line that passes through (2,-1/2) and has a slope of 3?
Lunna [17]

Answer:

C. y+1/2=3(x-2)

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7 0
3 years ago
Compute the amount of interest earned in the following simple interest problem. A deposit of $800 at 3.5% for 7 years = _____.
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7 0
3 years ago
Read 2 more answers
Will mark brainliest! Please help!
ValentinkaMS [17]

Answer:

The dimensions are:

3(2x+1) by (7x+5)

Step-by-step explanation:

The area of the rectangle is given as

A=42x^2+51x+15

The factored form of this quadratic trinomial gives the dimensions of the rectangle.

We factor 3 first to obtain;

A=3(14x^2+17x+5)

We split the middle term to get;

A=3(14x^2+10x+7x+5)

We factor within the parenthesis to get;

A=3(2x(7x+5)+1(7x+5))

We factor further to get;

A=3(2x+1)(7x+5)

The dimensions are:

3(2x+1) by (7x+5)

Then the perimeter will be

2(6x+3+7x+5)=26x+16\:\:\:\boxed{\sqrt{} }

4 0
3 years ago
How do you solve this step by step??
KonstantinChe [14]

Answer:

Step-by-step explanation: 6x+5x=3x+2x-54

                                               11x=5x-54

                                                +5x  +5x

                                                   16x=54

                                                     16    16

                                                       x=3.375

3 0
3 years ago
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