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Crazy boy [7]
3 years ago
10

Estimate the sum or difference 4/5 4/7

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
3 0
I’m confused on what to do I’m not sure
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What is the slope of o line that passes through (-4,-14) and (19,11)?
DerKrebs [107]

Answer:

D, see description below.

There is a possible typo in the problem since these points have slope 25/23.

Step-by-step explanation:

To find the slope of a line, calculate the distance between points with a ratio of vertical to horizontal distance. This is done using the formula:

m=\frac{y_2-y_1}{x_2-x_1}

Here the points are (-4,-14) and (19,11). Substitute and simplify.

m=\frac{11--14}{19--4}=\frac{11+14}{19+4}=\frac{25}{23}

I think there is a typo in your points (-4,-14) and (19,11) because the answer doesn't align to the answer choices. But based on them, I would answer D or 24/23 since it's the closest value.

6 0
3 years ago
Mario has 1,000 dollars. He gives 100 dollars to his friend. He gave __________ of his money to his friend.
Katen [24]

Answer:

1/10

Step-by-step explanation:

1/10 is the answer bc he gave his friend 100/1000 simplified form 1/10

8 0
2 years ago
1/3(12-6x)=4-2x I need help pls
Oksi-84 [34.3K]

Answer:

no solution

Step-by-step explanation:

1/3(12-6x)=4-2x

4-1.3x=4-2x

4=4-0.7x

0=0.7x

ns

5 0
3 years ago
Zach read a book for 10 minutes every weekend in the first month, 20 minutes in the second month, 40 minutes in the third month,
san4es73 [151]
Victoria's method is linear because the number of minutes increase by an equal number (15) every month.

Workings in the attachments below. The green line is the function that has been set up for Victoria. The lines that form a curved looking graph belong to the function that was set up for Zach.

8 0
3 years ago
Anyone, please help I really need to know ?
wel
I don’t know how to explain but I can work out the correct ans
To find how much is needed for one person
280/4=70
For 10 person:70*10=700
6 0
3 years ago
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