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3 years ago

Which graph passes through the point (-5,-6) and has a slope of 2/3 (two over three)

Mathematics

1 answer:

Aneli [31]3 years ago

3 0

Answer:

Answer A

Step-by-step explanation:

Firstly, you can eliminate the last two choices because they don't go through the point (-5, -6). For slope, use your $\frac{rise}{run}$ . Go up 2 and go left 3, and you'll see that the 1st graph matches this pattern.

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The area of a rectangle is 14 m2 , and the length of the rectangle is 3 m less than double the width. find the dimensions of the

muminat

Width =3.5, length = 4

Let's make a few equations to summarize what we know.:
a = 14
l = 2w -3
a = wl

Now let's substitute the expression for l into the expression for area and solve.
a = w(2w - 3)
a = 2w^2 - 3w
14 = 2w^2 - 3w

0 = 2w^2 - 3w - 14

which factors into
(2w - 7) (w + 2)

Solving for w
2w - 7 = 0
2w = 7
w = 3.5

w+2 = 0
w = -2

So w can be either 3.5 or -2. Since a negative width doesn't make sense, w = 3.5

Let's verify
w = 3.5
l = 2w - 3
l = 2*3.5 - 3
l = 7 - 3
l = 4
a = wl
a = 3.5 * 4
a = 14

So the width is 3.5 and the length is 4.

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2 years ago

Easy 5th grade math help giving free brainliest. please answer!!

Rzqust [24]

Answer:

Step-by-step explanation:

7 0

2 years ago

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Evaluate the expression using order of operations. 3 x (20 – 5)

horrorfan [7]

Answer:

3 x 15

Step-by-step explanation:

aren't you trying to figure out what the expression is simplified?

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2 years ago

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What is the mean of -9,-5,-4,-4,-2,0,1,2,3,5

IrinaK [193]

Answer: - 1.3

Step-by-step explanation: I believe that it's -1.3 if you're referring to the arithmetic mean.

(1) Take the sum of -9, -5, -4, -4, -2, 0, 1, 2, 3, 5 and simplify it to -13

(2) Count the number of terms in the data set.

{-9, -5, -4, -4, -2, 0, 1, 2, 3, 5}

{1, 2, 3, 4, 5, 6, 7, 8, 9, 10} - The number of terms in the data set is <u>10.</u>

(3) Divide the sum by the number of terms and simplify.

-13 / 10 = -1.3 (simplified)

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2 years ago

5,286÷3 how many digits will the classroom number have

docker41 [41]

<span>5,286÷3 how many digits will the classroom number have
Notice that we have 4 digits as dividend with a place value of thousands as the highest and to be divided with our divisor that have only 1 digit with a place value of ones.
Now, let’s see how many digit will our quotient have:
=> 5 286 / 3
=> 1 762 is the quotient, it has still 4 digit with a place value of thousands.
To check simply multiply our quotient and divisor.</span>

5 0

2 years ago