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3 years ago

13

Help me with this please

2 answers:

Inessa [10]3 years ago

6 0

We can't see what you need help with by this picture sorry.

natita [175]3 years ago

5 0

Could you maybe rotate the picture so we can see it better?

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If y = 12x-2 were changed to y = 12x, how would the graph of the new

Basile [38]

Answer: A. It would be shifted up.

Step-by-step explanation: the only thing that is changing in the two equations is the last number. The last number is not there in the second equation because the y-intercept is 0. The y-intercept in the first equation is -2 and shifts up 2 to y-intercept if 0. Therefore, your answer would be A. It would shift up.

3 0

3 years ago

Francine has $4.35 in dimes and quarters. The number of dimes is five more than the number of quarters. How many of each coin do

Leya [2.2K]

344676 I hope that helps

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3 years ago

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Slope = -5/2; y-intercept = -3

ivanzaharov [21]

Answer:

y = -5/2x - 3

Step-by-step explanation:

y = mx + b

m = slope

b = y intercept

=

y = -5/2x - 3

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3 years ago

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A rectangular piece of metal is 25 in longer than it is wide. Squares with sides 5 in long are cut from the four corners and the

Licemer1 [7]

Answer:

The original length was 41 inches and the original width was 16 inches

Step-by-step explanation:

Let

x ----> the original length of the piece of metal

y ----> the original width of the piece of metal

we know that

When squares with sides 5 in long are cut from the four corners and the flaps are folded upward to form an open box

The dimensions of the box are

$L=(x-10)\ in\\W=(y-10)\ in\\H=5\ in$

The volume of the box is equal to

$V=(x-10)(y-10)5$

$V=930\ in^3$

so

$930=(x-10)(y-10)5$

simplify

$186=(x-10)(y-10)$ -----> equation A

Remember that

The piece of metal is 25 in longer than it is wide

so

$x=y+25$ ----> equation B

substitute equation B in equation A

$186=(y+25-10)(y-10)$

solve for y

$186=(y+15)(y-10)\\186=y^2-10y+15y-150\\y^2+5y-336=0$

Solve the quadratic equation by graphing

using a graphing tool

The solution is y=16

see the attached figure

Find the value of x

$x=16+25=41$

therefore

The original length was 41 inches and the original width was 16 inches

3 0

3 years ago

Is 18.073 greater than 13.562?

Natalija [7]

Yes. 18.073 > 13.562

6 0

3 years ago