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alisha [4.7K]
3 years ago
12

7. Which of the following expressions has a value of 1 ?

Mathematics
1 answer:
Gala2k [10]3 years ago
3 0

Answer:

what is A and B

Step-by-step explanation:

I need more info pls

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Four more than the product of a number and 3 equals 7.
san4es73 [151]

The phrase you typed can be written in mathematical form using a replacement of "a number" with the letter "x" (for our unknown).

So we can translate in mathematical form as shown below:

"<em>four more than the product of a number and 3 equals 7</em>"

x * 3 + 4 = 7

and of course we can solve this equation by operating with thenumbers so as to isolate the unknown "x"on one side of the equal sign:

Subtract 4 from both sides:

x * 3 = 7 - 4

x * 3 = 3

Divide both sides by 3 (so as to eliminate the factor 3 multiplying x):

x = 3 / 3

x = 1

And our answer is that the unknown number is 1 (one).

7 0
2 years ago
Simplify the following expression.<br> (-12x^4+96x^2)/-4x
serg [7]
48x^5 -384x^3 is the answer
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3 years ago
Round 13 .3 to the nearest whole number
LiRa [457]
13.3

Since 3 is LESS than 5 we round down to 13.
3 0
4 years ago
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There is a clown's face on the top of a spinner. The tip of his hat rotates to (−2, 5) during one spin. What is the cosine value
Ivenika [448]

Answer:

The last choice is your answer

Step-by-step explanation:

Plot your point in an x/y coordinate plane.  We are in QII where x is negative and y is positive.  From that point, if you drop an altitude to the negative x axis, you have a right triangle with a base measure of -2, a height of 5 and a hypotenuse that is unknown as of right now.  We will find it using Pythagorean's Theorem.  5^2+(-2)^2=c^2

The length of the hypotenuse is √29.  That means that the cosine of that angle is the side adjacent over the hypotenuse.  Rationalizing the denominator gives us -\frac{2\sqrt{29} }{29}

6 0
3 years ago
Find the total amount in Mr. G’s account, if he invests $9000 for 5 years at a 6% interest rate.
AysviL [449]

Answer:

20,000

Step-by-step explanation:

for 5 6% at those with division 20,000 together and they would have 20,000

8 0
3 years ago
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