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amid [387]
4 years ago
13

How do you solve for the y-intercept? Show steps please

Mathematics
1 answer:
Marianna [84]4 years ago
5 0

Step-by-step explanation: The y-intercept is where the line on a graph crosses the y-axis. For example Y=2x-2. The line crosses the y-axis at (0,-2). So the Y-intercept would be (0,-2)

When we look at Y=mx+b (slope intercept form)

M being the slope and B being the Y intercept.

So to write it as an ordered pair you just need to put 0 in place of the x-coordinate. So (0,-2)

You might be interested in
2x(8+7)-6/2x(9-3) evaluate
Katarina [22]
Ok so assuming that the 'x' means multiply and not 'x' as in placeolder we do

PEMDAS
parenthaseees
exponents
multipilcation or division
additon or subtraction

parethasees simplify first
(8+7)=15


(9-3)=6

now we have
2x(15)-6/2x(6)
multiply
2x15=30

6/2x6=36/2=18

now we have
30-18
12

answer is 12
6 0
3 years ago
Read 2 more answers
If y = -x and x + 6y = 30, what is the<br> value of x?
jekas [21]

Answer:

x = -6

Step-by-step explanation:

y = -x  equation 1

x + 6y = 30   equation 2

using equation 1 in equation 2 we have:

x + 6(-x) = 30

x - 6x =30

-5x = 30

x= -30/5

x= -6

8 0
3 years ago
A boat travels 345km in 4 hours (with a constant speed). How far can it travel in three hours (with the same speed)?
Colt1911 [192]

Answer:

258.75km

Step-by-step explanation:

345/4=86.25

Can travel 86.25km an hour

86.25*3=258.75

Therefore it can travel 258.75 in 3 hours

7 0
4 years ago
Read 2 more answers
If you have 50g of sugar and want to make 25% sugar syrup,<br> how much water do you need?
Taya2010 [7]

Answer:

3(50 g) = 150 g

Step-by-step explanation:

If you mean 25% sugar by mass, then 1/4 of the total mass is sugar, and 3/4 is water.  So you need 3 times as much water as sugar.

3(50 g) = 150 g

4 0
3 years ago
The distance from Earth to the moon is approximately 1.2 x 10 to the power of 9 feet. The Apollo 11 spacecraft was approximately
Vlada [557]

Answer:

3,333,333 spacecraft

Step-by-step explanation:

To get the number of spacecraft that would fit between earth and moon <em>divide the distance by the length of the spacecraft</em>.

When 1.2\times10^{9} is divided by 360 the quotient will be 3,333,333 and the remainder will be 120.

It means 3,333,333 Apollo 11 spacecraft will fit between earth and moon but still 120 feet will remain and no more spacecraft can completely fit in it.

6 0
3 years ago
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