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2 years ago

?????? I don’t get it

Mathematics

2 answers:

QveST [7]2 years ago

7 0

Answer:

His gain was greater on the first play because if you convert 2 yards to feet you get 6ft and 6 feet is greater than 5 feet which means the football player had a greater gain on the first play.

Step-by-step explanation:

1 yard is 3 ft

2yards x 3=6 ft

6ft> 5ft

first play> Second play

zmey [24]2 years ago

7 0

6ft>5ft is the answer

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What are the like terms in the expression 7y + 4 +4x + 7

lorasvet [3.4K]

Answer:

4, 7

Step-by-step explanation:

7y + 4 +4x + 7

The only like terms are the constants 4 and 7

7y is like yogurt and 4x is like xrays, we don't mix them

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3 years ago

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In Ms. Chance's first period class, there are 9 students with hazel eyes, 10 with brown eyes, 7 with blue eyes, and 2 students w

lozanna [386]

Answer:

Brown eyes

Step-by-step explanation:

10/28 Fraction form

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2 years ago

-2(3x+4) - x+6 = -5x -2 (x+1) +5

yarga [219]

Answer:

There are no solutions

Step-by-step explanation:

−2(3x+4)−x+6=−5x−2(x+1)+5

(−2)(3x)+(−2)(4)+−x+6=−5x+(−2)(x)+(−2)(1)+5(Distribute)

−6x+−8+−x+6=−5x+−2x+−2+5

(−6x+−x)+(−8+6)=(−5x+−2x)+(−2+5)(Combine Like Terms)

−7x+−2=−7x+3

−7x−2=−7x+3

Step 2: Add 7x to both sides.

−7x−2+7x=−7x+3+7x

−2=3

Step 3: Add 2 to both sides.

−2+2=3+2

0=5

Answer - There are no solutions

4 0

3 years ago

Read 2 more answers

Stuck Please help...... 1,2,5,6

marusya05 [52]

Slope-intercept form:

y = mx + b "m" is the slope, "b" is the y-intercept

For lines to be parallel, they have to have the SAME slope.

1.) The given line's slope is -7/5, so the parallel line's slope is also -7/5

$y=-\frac{7}{5}x+b$ Plug in (2, -3) to find "b"

$-3 = -\frac{7}{5}(2)+b$

$-3=-\frac{14}{5}+b$ Add 14/5 on both sides

$-3+\frac{14}{5}=b$ Make the denominators the same

$\frac{-15}{5}+\frac{14}{5} =b\\-\frac{1}{5}=b$

$y=-\frac{7}{5}x-\frac{1}{5}$

2.) The given line's slope is 1/2, so the parallel line's slope is also 1/2

y = 1/2x + b Plug in (4,5) to find "b"

5 = $\frac{1}{2}$ (4) + b

5 = 2 + b

3 = b

$y=\frac{1}{2} x+3$

5.) The given line's slope is -2/5, so the parallel line's slope is also -2/5

y = -2/5x + b Plug in (-5, -4)

-4 = -2/5(-5) + b

-4 = 2 + b

-6 = b

$y=-\frac{2}{5}x-6$

6.) -5x + 2y = 6 Isolate "y", add 5x on both sides

2y = 6 + 5x Divide 2 on both sides

y = 3 + 5/2x

The slope is 5/2, so the parallel line's slope is also 5/2

y = 5/2x + b Plug in (-3,2)

2 = 5/2(-3) + b

2 = -15/2 + b Add 15/2 on both sides

2 + 15/2 = b Make the denominator the same

4/2 + 15/2 = b

19/2 = b

$y=\frac{5}{2}x+\frac{19}{2}$

8 0

2 years ago

Please help me ): I don’t know what to do

almond37 [142]

Answer:

Question 1: the slope is -6

Question 2: the first choice is the one you want

Step-by-step explanation:

For the first one, I can't tell what fraction is on the left side with the y, but it doesn't matter. To me it looks like 1/2, but like I said, it won't change or affect our answer regarding the slope. That number has nothing to do with the slope.

In order to determine the slope of that line that is currently in point-slope form, we need to change it to slope-intercept form. Another expression for slope-intercept form is to solve it for y. Doing that:

$y - \frac{1}{2}=-6x-42$

Now we can add 1/2 to both sides. That gives us the slope-intercept form of the line:

$y=-6x- \frac{83}{2}$

The form is y = mx + b, where the number in the "m" place is the slope. Our slope is -6.

For the second one, we will sub in the x coordinate in a pair for x in the equation of the line and do the same for y to see if the left side equals the right side. The answer is $(\frac{2}{9},-7)$ and I'll show you why. I will also show you how another point DOESN'T work in the equation. Filling in 2/9 for x and -7 for y:

$-7+7=-3( \frac{2}{9} -\frac{2}{9})$ which simplifies to

0 = -3(0) so

0 = 0 and this is true.

The other point I am going to use in exactly the same process is (-3, -7) since it doesn't have fractions in it. First I'm going to distribute the -3 into the parenthesis to get:

$y+7= -3 x + \frac{6}{9}$

Subbing in -3 for x and -7 for y:

$-7+7=-3( -3) +\frac{6}{9}$

As you can see, the left side equals 0 but the right side does not. If the lft side doesn't equal the right side, then the expression is not true, so the point is not on the line.

7 0

3 years ago