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masha68 [24]
3 years ago
7

7x – 4 and 6x – 4 – x are equivalent using the interactive tool.

Mathematics
2 answers:
Gelneren [198K]3 years ago
7 0
The answer is 0 hope it helps
ss7ja [257]3 years ago
5 0
7X-4=6X-4-X
7X-6X+X=0
2X=0
X=0
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What is the equation for this trig function?
Georgia [21]

Answer:

A. y = cos x

Step-by-step explanation:

The function that we see graphed has the point (0,1), this means whichever trig function f(x) it represents f(0) = 1.

Now, only the cosine function has the property that cos(0) = 1, thus choice A is the correct answer.

Step-by-step explanation:

5 0
3 years ago
The sum of 5 times one number, x, and 4 times a second number, y, is 75. If the sum of the two numbers is 18, find the two numbe
satela [25.4K]

Answer:x=3 and y=15

Step-by-step explanation:

First, we are told "sum of 5 times one number, x, and 4 times a second number, y, is 75":

5x+4y=75 (1)

Then, we are told "he sum of the two numbers is 18":

x+y=18 (2)

At this point we have our system of equations and now we are able to find the values of x and y.

So, let's begin by isolating x from (2):

x=18-y (3)

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5(18-y)+4y=75 (4)

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90-5y+4y=75

y=15 (5) This is the value of y

Substituting (5) in (1):

5x+4(15)=75 (6)

Finding y:

5x+60=75 (7)

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4 0
3 years ago
Which value of x is the solution to the equation. -2 - 4x = 14
dusya [7]

Answer:

The answer is C or x=-4.

Step-by-step explanation:

I hope this helps!

8 0
3 years ago
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ehidna [41]

Answer:

(-6, 0)

Step-by-step explanation:

y = 4x + 24

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7 0
2 years ago
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Veronica's mom left 3/4 of a cake on the table. Her brothers ate 1/2 of it. What fraction of the cake did they eat?
Brums [2.3K]

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Step-by-step explanation: Multiply 3/4 and 1/2, or  \frac{3}{4} *\frac{1}{2} \\, which equals 3/8

7 0
3 years ago
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