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Mashcka [7]
3 years ago
14

Solve the system of equations​

Mathematics
2 answers:
34kurt3 years ago
5 0

Answer:

y=17/2 and x=15/8

Step-by-step explanation:

By subsitution, we get 4x+4x+1=16, so 8x=15. Thus, x=15/8. Next, we plug x in to find y. y=4*15/8 +1, or 15/2 +1 = 17/2

BlackZzzverrR [31]3 years ago
5 0

Answer:

X= 15/8

Y= 17/2

Step-by-step explanation:

If you plug in the y equation into the 4x equation you will get the answer to x and then plug in the x to get the value of y.

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Find the other endpoint of the line segment with the given endpoint and midpoint.
Margaret [11]

Answer:

B

Step-by-step explanation:

because it is (5,15) and B is (5,15)

3 0
3 years ago
I need help on this problem please help
Masteriza [31]
X=36. You just make the equation: X+9=45. Then you subtract 9 from 45 like this:                                                    -9   -9. That gives you 36
5 0
3 years ago
An equilateral triangle has an apothem of 5cm. Find the perimeter of the triangle to the nearest centimeter
Sloan [31]
The apothem is the distance from which the altitudes of the triangle to one of its sides. It can be calculated through the equation below,
                             tan 30° = apothem / 0.5(length of side)
Substituting the known values,
                             tan 30° = 5 / 0.5x
The value of x from the equation above is 17.32. Multiplying this value by 3 (because a triangle has 3 sides), we get an answer of 51.96 cm or approximately equal to 52. Thus, the answer is letter B. 
5 0
3 years ago
Please answer thanks! Brainliest
dimaraw [331]

Answer:

D - T-H is negative

Step-by-step explanation:

So lets go through what we know:

M is on the left side of 0, so M is negative.

A is also one the left side of 0, so A is negative.

T is on the right side of 0, so T is postive

H is also on the right side of 0, so H is postive

Lets go through each answer and see if it is accurate or not:

The sum of M and H is postive.

With what we know, M is negative and H is postive.

Looking at the graph, we can see that M is farther to the left than H is to the right.

So this means that M is a larger negative than H is postive, meaning when we add them together, the answer will be negative, not postive.

Next we have the answer to A divided by H is negative

We know A is negative, and M also negative

Remember, a negative divided or multiplied by a negative is postive.

This is not what our answer states, as it says it should be negative.

So next off, we have the product of H and A is postive.

Product means multipication.

A is negative and H is postive

Since it is multipication, and we know a negative and postive make another negative, this would make it incorrect

The answer states it must be postive, but this is negative.

Finally we have the answer as T-H is negative.

We see that T is postive, and H is postive.

T is less than H is, so when you subtract H from T, you would get a negative.

So D is the answer

Hope this helps!

4 0
3 years ago
Hi its getting pretty late and i need a little help<br> (ill give u brainliest)
Anarel [89]

Answer:

yes

yes

no

no

yes

have a good day!

Step-by-step explanation:

ive just done this today, it was really easy!

7 0
3 years ago
Read 2 more answers
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