MATHEMATICS MIDDLE SCHOOL

Which expression correctly shows the sum of opposite numbers?

Answers

Answer 1

Answer: (-25) + 25 = 0 is the correct answer.

Answer 2

Answer:

Answer:

Step-by-step explanation:

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Which is a rational number? A.9 B. 15 C. 28 D. 52

Answers

A rational number is a number that can be expressed as a fraction, therefore all integers are rational numbers

A 12-inch diameter pizza has 22 calories per square inch.About how many calories are in the entire pizza?
Use 3.14 for pi.
Select from the drop-down menu to correctly complete the statement.

There are about calories in the pizza.

Answers

Answer:

$2,486.88\ calories$

Step-by-step explanation:

step 1

Find the area of the pizza

The area of a circle is equal to

$A=\pi r^(2)$

we have

$r=12/2=6\ in$

substitute

$A=(3.14)(6^(2))=113.04\ in^(2)$

step 2

we know that

A $12-inch$ diameter has $22$ calories per square inch

By proportion

Find how many calories are in the entire pizza

$(22)/(1)(cal)/(\ in^(2))=(x)/(113.04)(cal)/(\ in^(2))\n \nx=22*113.04\n \nx=2,486.88\ calories$

Simplify (-10)(-6)(9)Question 4 options:

-169

169

-540

540

Answers

Answer:

540

Step-by-step explanation:

-10 * -6 = 60

60 * 9 = 540

When you multiply two negatives, the negative sign cancels out, and the number becomes positive.

Answer
540

Explanation:

-10•-6
60
60•9
540

A small bar of gold measures 40mm by 25mm by 2mm. One cubic millimeter of gold weights about 0.0005 ounces. Find the volume in cubic millimeter and the weight in ounces of this small bar of gold?Hank has cards that are 8 inches by 4 inches. A stack of these cards fits inside the box shown and used up 32 cubic inches of volume . How tall is the stack of card? What percent of the box's volume is taken up by the cards?

A typical stone on the lowest level of the great pyramid in Egypt was a rectangular prism 5 feet long by 5 feet 5 feet high by 6 feet deep and weighted 15 tons. What was the volume of the average stone? How much did one cubic foot of this stone weight?

Answers

The correct answer for the question that is being presented above is this one: "The volume of the average stone is this one: v = 40mm * 25mm * 2mm = 2000 mm^3 ; The weight of the one cubic foot of the stone is: 2000 mm^3 * .0005oz/1mm^3 = 1oz

( -5 , 12) and ( 2 , 26)

Answers

Answer:

The slope is 2

Hope this helps!!

At a school fair 70% of the people are under 16 years old. One-third of the people remaning are teachers. If there are 21 teachers at the fair, how many people are there at the fair total