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2 years ago

Write the expression for the following the product of five and two ,added to seven. PLS HELP ME

Mathematics

2 answers:

netineya [11]2 years ago

4 0

Answer:

5 times 2 + 7

Step-by-step explanation:

lorasvet [3.4K]2 years ago

3 0

Answer:

5*2+7

Step-by-step explanation:

i believe thats it

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Simplify (5^0+4^-0•5)^2

TEA [102]

Answer:

anything raised to the power of zero= 1

(1+1/4^½)²

(1 + 1/2)²

(3/2)²

9/4

=2.25

7 0

2 years ago

The area of the circle is 144π m2<br><br> What is the diameter of the circle?

Over [174]

Answer:

Step-by-step explanation:

Remember that

Area of Circle = $\pi r^2$

$\pi = pi \\r = radius$

They told us that for this circle, the area is $144\pi m^2$

If you put it back into the formula for area of a circle we get:

Area of Circle = $\pi r^2$

$144\pi = \pi r^2$

Divide both sides by $\pi$ .

144 = $r^2$

Now we want to solve for r (r = radius).

You need to square root each side

$\sqrt{144} = \sqrt{r^2}$

$12 = r$

So now we know the radius, $r = 12$ metres

Also remember that

Diameter = $2r$

So,

Diameter = 2 times 12 = 24 metres

5 0

2 years ago

2x < - x + 20 + 7 I don't get how to answer this question

dimulka [17.4K]

ANSWER

X < 9

Solve

2x < - x + 20 + 7

2x < - x + 27 change the signs

2x + x < 27 add the like terms

3x < 27 divide by 3

x < 9

6 0

3 years ago

If (a, –5) is a solution to the equation 3a = –2b – 7, what is a?

Llana [10]

Answer:

d) 1⃣

Step-by-step explanation:

Multiply -5 by -2 to get , then deduct 7 to get 3. So, you now know that 3 = 3a; 1 = a.

7 0

3 years ago

Please help!

Rus_ich [418]

Answer:

Step-by-step explanation:

I = PRT

252 = (900)(.07)(T)

252 = (63)(T)

divide 63 from both sides

4 = T

3 0

3 years ago