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3 years ago

Can someone please answer step by step?

Mathematics

1 answer:

alukav5142 [94]3 years ago

3 0

Answer:

George is correct

Step-by-step explanation:

if the jacket is in sales for 20% off, Jane's coupon would give her a discount of 10% on top of the already discounted 20%.

Jane is incorrect because, if she added the 2 discount together, she gets a total of 30%, but that is a 30% discount of the original price of $75 which isn't correct. what we want to do is find how much the jacket cost after 20% discount THEN use the coupon to get a further 10% discount on the sales price of the jacket. and for this reason, George is correct.

hope this helped

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Several students were asked to name the kinds of animals they saw in the past week at the park. Determine the ratio that compare

SVETLANKA909090 [29]

Answer:

A. 1:8

Step-by-step explanation:

We have been given that several students were asked to name the kinds of animals they saw in the past week at the park.

Dogs: 8

Cat: 2

Fish: 4

Lizard: 2

We are asked to find the ratio that compares the number of cats seen to the total number of animals seen.

Let us find total number of animal by adding each type of animals as:

$\text{Total animals}=8+2+4+2$

$\text{Total animals}=16$

We can see that the students saw 2 cats, so ratio of cats to total animals would be $2:16$ .

Dividing 2 and 16 by 2, we will get:

$\frac{2}{2}:\frac{16}{2}\Rightarrow 1:8$

Therefore, the ratio 1:8 compares the number of cats seen to the total number of animals seen and option A is the correct choice.

5 0

3 years ago

The equation 10x + 5y = 150

Verdich [7]

Answer:

x = 14.5 y = 1

Step-by-step explanation:

get the x alone by subtracting 5y from both sides

10x + 5y = 150

- 5y -5y

10x = -5y + 150

divide both sides by 10

10x = -5y + 150

10 10

x = -0.5y + 15

Now that we've solved for x, we can plug it into the original equation

10 (-0.5y + 15) + 5y = 150

now we solve for y the same way we did x

first distribute 10 into (-0.5y + 15)

-5 + 150 +5y = 150

now we get the y alone

-5 + 150 + 5y = 150

+5 -150 -150 +5

5y = 5

now divide by 5

5y = 5

5 5

y = 1

now that we have both x and y, we plug y into our solution for x

x = -0.5y + 15

x = -0.5(1) + 15

x= -0.5 + 15

x = 14.5

4 0

3 years ago

Solve for x: 3(x + 1) = −2(x − 1) + 6.

kow [346]

Answer:

x=1

Step-by-step explanation:

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

3x+3=-2x+2+6

3x+2x=2+6-3

5x=8-3

5x=5

x= $\frac{5}{5}$

x=1

7 0

3 years ago

PLEASE HELP LOTS OF POINTS

Cloud [144]

Answer:

Yes

Step-by-step explanation:

they are on the same plane

5 0

3 years ago

Read 2 more answers

Brandon and his children went into a bakery and where they sell donuts for $1.25 each and cookies for $0.25 each brandon has $5.

zvonat [6]

Answer

4 doughnuts

Step-by-step explanation:

.25 times 2 is .5

5.5-.5=5

5/1.25=4

5 0

3 years ago