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3 years ago

Can u answer these for me thank u. first 2 only

Mathematics

2 answers:

8_murik_8 [283]3 years ago

3 0

I think it’s r or q I’m not sure I tried pls brainlest

g100num [7]3 years ago

3 0

It’s R (happy b-day)

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Stewart School has 178 computers. Grade 3 has 58 computers and flgrade 4 has 57 computers. What equations can be used to find ho

Ilya [14]

Answer: $x=58+57=115$

$y=178-115=63$

Step-by-step explanation:

Let x be the number of computers Grade 3 and grade 4 has and y be the numbers of computers the rest of school has.

Then, x= Grade 3 computers +Grade 4 computers.

$\Rightarrow\ x=58+57=115$

And y = Total computers - x

$\Rightarrow\ y=178-115=63$

Therefore, The equations can be used to find how many computers the rest of the school has.

$x=58+57=115$

$y=178-115=63$

7 0

4 years ago

Given the points A(-3, -2) and B(6, 1), determine the coordinates of point P on directed line segment that partitions in the rat

serg [7]

Answer:

$P = (3,0)$

Step-by-step explanation:

Given

$A = (-3,-2)$ ---- $(x_1,y_1)$

$B = (6,1)$ --- $(x_2,y_2)$

$m:n =2:1$

Required

The coordinates of P

This is calculated as:

$P = (\frac{mx_2+nx_1}{m+n},\frac{my_2+ny_1}{m+n}]$

So:

$P = (\frac{2*6+1*-3}{2+1},\frac{2*1+1*-2}{2+1})$

$P = (\frac{9}{3},\frac{0}{3})$

$P = (3,0)$

8 0

3 years ago

Which relation is a function?<br> Please help

s344n2d4d5 [400]

Answer: the bottom right one

Step-by-step explanation:

you can put your pencil like this I and follow the line without two parts touching the line (vertical line test)

8 0

4 years ago

Boa drove from the Dead Sea up to Jerusalem and her altitude increased at a constant rate of 740 meters per hour. When she arriv

Alborosie

Answer:

$y=740x-400$

Step-by-step explanation:

The story tells us that Boa drove from the Dead Sea up to Jerusalem. With the data provided, we can assume a linear relationship between altitude and the number of hours. We are given two key data: one point and the rate of change (or slope).

We can easily find the equation of a line with slope m passing through a point (a,b) by using the formula

$y-b=m(x-a)$

In this case, y is the altitude above sea level, and x is the number of hours of driving

The value of m is 740 meters/hour and the known point is x=1.5 hours, y=710 meters. Using these values

$y-710=740(x-1.5)$

$y-710=740x-1110$

$y=740x-400$

4 0

3 years ago

For what type of solid would you use this formula: V = 4 3 πr3

Murljashka [212]

The type of solid i would use for this formula will be a sphere.

6 0

4 years ago