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3 years ago

Help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Mathematics

2 answers:

hjlf3 years ago

5 0

Answer:

H=N-8

Step-by-step explanation:

Sedaia [141]3 years ago

4 0

Answer:

h=n−8

Step-by-step explanation:

8+h=n

Step 1: Add -8 to both sides.

h+8+−8=n+−8

h=n−8

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Mr. McKay wrote an algebra test with a total of 15 questions consisting of multiple choice and short response style questions. M

tankabanditka [31]

Step-by-step explanation:

x = number of multiple choice questions

y = number of short response questions

x + y = 15

5x + 10y = 100

x + 2y = 20

let's subtract the first from the second equation :

x + 2y = 20

- x + y = 15

--------------------

0 y = 5

x + y = 15

x + 5 = 15

x = 10

to graph you need to consider both equations as linear functions. and you need to transform them into e.g. a slope intercept form : y = ax + b

a is the slope, b is the y- intercept.

x + y = 15

transforms to

y = -x + 15

this line goes e.g. through the points (0, 15) and (1, 14).

and

x + 2y = 20

transforms to

2y = -x + 20

y = -x/2 + 10

this line goes e.g through (0, 10) and (2, 9).

the crossing point of both lines is the solution and should therefore be the point (10, 5) as calculated above.

5 0

3 years ago

Solve the system of two linear inequalities graphically.

Sladkaya [172]

Answer:

See attachment

Step-by-step explanation:

Isolate y in the first inequality:

$2x + 4y < -16\\4y < - 16 -2 x\\y < -4 -\frac{1}{2} x\\y < -\frac{x+8}{2} \\$

Now, with both x and y inequalities found, graph it.

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2 years ago

Find the area of the shape below, giving your answer to 1 decimal place

Andre45 [30]

Answer:the answer is 150

Step-by-step explanation:multiply 10 and 15 and you get 150

7 0

3 years ago

Read 2 more answers

DC↔ means “ _____ DC” A. line DC B. ray DC C. line segment DC D. angle DC

lidiya [134]

Your answer would be line DC or a have a nice day!

6 0

3 years ago

Read 2 more answers

What are the possible values of x for the following functions?

stiks02 [169]

What can a denominator never be?

0

so, we need to figure what x can't be... the only way to multiply 2 things together to get 0 is if one or both are zero.

so, what x values make our denominator 0?

to figure this out, we need to set (x-1)(x-2)=0

now we split and solve.

$x - 1 = 0 \\ x - 2 = 0$
so when x is 1 or 2 the function doesnt make sense.

but, x can be every other number and it does, so the answer is
ALL REAL NUMBERS not equal to 1 or 2

7 0

3 years ago