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ehidna [41]
4 years ago
5

Please i need help on this​

Mathematics
2 answers:
Alex_Xolod [135]4 years ago
7 0

Answer:

x = 2.25

Step-by-step explanation:

Expressing as an algebraic equation, that is

- 3x + 10 = 5x - 8 ( add 3x to both sides )

10 = 8x - 8 ( add 8 to both sides )

18 = 8x ( divide both sides by 8 )

x = \frac{18}{8} = \frac{9}{4} = 2.25

Angelina_Jolie [31]4 years ago
4 0

Answer:

x=9/4

Step-by-step explanation:

-3x+10=5x-8

10+8=5x+3x

18=8x

4x=9

X=9/4

I tried

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(09.02 HC)
Vesna [10]
We factor the equation to get:

-(x-25)^2+361

In the form a(x-h)^2+k, the vertex is (h, k), so the vertex is (25, 361).  This means that the studio makes the most profit from selling 25 memberships, and thus makes 361 dollars.

B.  The x-intercepts are the values of x for which f(x) is 0.  This equation can be factored as (-a+6)(a-44)=0, with solutions 6 and 44.  Therefore, by selling either 6 memberships or 44 memberships, the studio breaks even, neither making nor losing money.
4 0
3 years ago
PLEASE HELP DUE NOW!!!<br> WILL MARK BRAINLIEST!!!
Ulleksa [173]

Answer: -10, 10

Step-by-step explanation:

first lets add the two equations. add the x's, add the y's, add the constants on the right.

we get

0x - 1y = -10

so then divide --10 by -1 because we do the opposite operations to both sides

and we get y = 10

now substitute y = 10 into the first equation

-10x - 9(10) = 10

and then we get -10x - 90 = 10

now add 90 to both sides

-10x = 100

divide 100 by -10

x = -10

y = 10

checks out

EPIC. STAY EPIC AND AWESOME FRIEND.

3 0
2 years ago
What is the y-intercept of the line given by the equation y=5x-21
Bess [88]

Answer: C.( 0,-21)

Step-by-step explanation: Use the slope-intercept form to find the slope and y-intercept.

3 0
3 years ago
N − 7.32 / 2 = 1.04<br><br> What is "n"?
Pachacha [2.7K]

Answer:

n= 4.7

Step-by-step explanation:

n+−3.66=1.04

n−3.66=1.04

Step 2: Add 3.66 to both sides.

n−3.66+3.66=1.04+3.66

n=4.7

Answer:

n=4.7

7 0
3 years ago
If a is three times b, b is twice c, and c is four times d, what is the value of a*c/b*d
dsp73

Answer:

12

Step-by-step explanation:

a=3b

b=2c

c=4d

a*c/b*d = (3(2(4d)))*(4d)/(2(4d))*d

            = 96d^2/8d^2

            = 12

7 0
3 years ago
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