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3 years ago

Which ordered pair is the solution to the equation? y=-2x+10

Mathematics

2 answers:

guapka [62]3 years ago

6 0

Answer:

Its A

Step-by-step explanation:

Plug in the values eg A x = 2 and y = 6 into y = -2x + 10 so its:-

y = -2x + 10

6 = -2(2) + 10 = -4 + 10

= 6

So thats the answer (2,6)

olchik [2.2K]3 years ago

3 0

The answer is A.) (2,6).

Hope this helps!

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This weekend Vanessa made 4 times as many batches as last weekend. She made a total of 25 batches for the two weekends. Determin

MissTica

Answer: The number of batches made by Vanessa last weekend = 5

Number of batches made this weekend =20

Step-by-step explanation:

Let x be the number of batches made y Vanessa last weekend.

Given : This weekend Vanessa made 4 times as many batches as last weekend.

i.e. Number of batches made this weekend = 4x

She made a total of 25 batches for the two weekends.

i.e. $x+4x=25$

$\Rightarrow\ 5x=25$

Divide both sides by 5 , we get

$x=5$

i.e. number of batches made y Vanessa last weekend = 5

Number of batches made this weekend =20

Hence, the number of batches made by Vanessa last weekend = 5

Number of batches made this weekend =20

7 0

3 years ago

What is the value of the expression (7 - 2)2 ?

Irina18 [472]

(7-2)2=5*2=10
or
(7-2)2=7*2-2*2=14-4=10

5 0

3 years ago

What is 5 times 2 minus 8

victus00 [196]

Answer:2

Step-by-step explanation:

We start by multiplying 5 x 2 to get 10 then subtraction to take away 8 from 10 thus giving us the answer of . Hope this helps!

3 0

3 years ago

Read 2 more answers

Suppose that the regression for predicting weight (in pounds) from Height (in Select one answer inches) is given by Weight =-115

Nutka1998 [239]

Answer:

Option D) I and II only

Step-by-step explanation:

We are given the following in the question:

Regression equation:

$w = -115 + 3.6h$

where w is the weight in pounds and h is the height in inches.

Since the weight depends on height, height becomes the independent variable and weight becomes the dependent variable.

I. A person who is 61 inches tall will weigh 104.6 pounds

When h = 61,

$w = -115 + 3.6(61) = 104.6$

Thus, the given statement is true.

II. For every additional inch of height, the predicted weight will increase, on average, by 3.6 pounds.

If the height increases by 1 unit, then,

$w(h+1) - w(h) = -115 + 3.6(h+1) - (-115 + 3.6(h))\\w(h+1) - w(h) = 3.6(h+1-h)\\w(h+1) - w(h) = 3.6$

Thus, the given statement is correct.

III. The correlation between weight and height is negative.

No, the given statement is not correct as with increase in height the weight increases and with decrease in height the weight decreases.

Thus, the correct answer is

Option D) I and II only

8 0

3 years ago

Please help me I don’t understand this at all and I need to pass quits so please somebody out there help me

kvv77 [185]

Answer:

B) Undefined

Step-by-step explanation:

Vertical lines do not have a horizontal change; the line goes straight up and down. In other words, the change in the x values between any points on the graph is always 0, which would make the denominator of the slope 0. Since anything divided by 0 is undefined, the slope of a vertical line is <u>undefined</u>.

Source: https://www.brightstorm.com/math/algebra/linear-equations-and-their-graphs/finding-the-slope-of-a-line-from-a-graph-problem-3/

7 0

3 years ago