MATHEMATICS MIDDLE SCHOOL

What is 16 /5 as a decimal

Answers

Answer 1

Answer:

Answer:

it is 3.2

Step-by-step explanation:

Answer 2

Answer: It is 3.2

Steps by steps explanation:

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Someone please help me. SERIOUS answers only!!!!

Consider 8x2 - 48x = -104. Write the equation so that x2 – 6x + (blank) = –13 + (blank)

Answers

Write the equation so that:

-6 and -13

Complete the square:

9 and 9

Hope this helps for Edg.

Answer:

That (blank) is 9.

Step-by-step explanation:

Please write 8x^2 - 48x = -104, with " ^ " indicating exponentiation. Thanks.

This sounds like a perfect example of "completing the square."

First, factor 8x^2 - 48x = -104: 8(x^2 - 6x = -13).

If we focus SOLELY on x^2 - 6x = -13, it's just a little easier to "complete the square." Take half of the coefficient of x (which here is -6), and square that result (which here is (-3)^2, or 9. Now add 9 both sides of x^2 - 6x = -13:

x^2 - 6x + 9 = -13 + 9. Note: The "blank" in the problem statement is 9.

We could go ahead and solve this, tho' we weren't asked to do so. Rewrite x^2 - 6x + 9 as (x - 3)^2:

x^2 - 6x = -13 then becomes (x - 3)^2 = 4. To solve for x, take the sqrt of both sides of this latest result, obtaining x - 3 = plus or minus 2. Add 3 to both sides to isolate x: x = 3 plus or minus 2.

Thus, x = 5 or x = 1.

What are three 2-digit numbers that divide into 1520?

Answers

1520 ÷ 10 = 152

1520 ÷ 20 = 76

1520 ÷ 40 = 38

Use Order of Operations to simplify. 42 – (28 ÷ 7) + 111

Answers

$42 - (28 / 7) + 111$

$42-4+111$

$= 149$

do parentheses first which gives you 42-4+111 then aubtract to get 38+111 which equals 149

A lawn sprinkler spins in a circle. The sprinkler covers a radius of 4 feet. Which choice is the closest to the area of lawn that the sprinkler can cover? 13 25 50 or 200..

Answers

The required area that the sprinkler will cover is 50 square feet. Option C is correct.

As mentioned in the question, a lawn sprinkler spins in a circle. The sprinkler covers a radius of 4 feet.

What is surface area?

The surface area of any shape is the area of the shape that is faced or the Surface area is the amount of area covering the exterior of a 3D shape.

Here,
Area of the sprinkler,
= area of the circle
= πr²
= 3.14 × 4²
= 50.24
≈50

Thus, the required area that the sprinkler will cover is 50 square feet. Option C is correct.

Learn more about the surface area here: brainly.com/question/2835293

#SPJ2

When you are trying to cover something,it would be AREA not Circumference since Circumference is the outside of a circle.Area is inside of a circle,so the formula for area is:pix4² which will equal,16pi or 50.26548246 so the closest area of lawn that the sprinkler can cover is 50.

Help please4.

(1 pt)
Which number line shows the given inequality?

t < –1.4

3.

(1 pt)
Which number line shows the given inequality?

m < 7.5

Answers

3.
< = open circle
positive number = arrow pointing right
Answer: C

4.
< = open circle
negative number = arrow pointing left
Answer: B

For #4, A is incorrect, because the circle is on the mark that represents 0.5, not 0.4.

What is one solution of the following system? StartLayout Enlarged left-brace 1st row 2 y minus 2 x = 12 2nd row x squared + y squared = 36 EndLayout (–6, 0) (–2, 4) (0, –6) (4, –2)