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3 years ago

Use the number line to find the sum of 1.5+(-5). A. -3.5 B.6.5 C.-6.5 D.3.5

Mathematics

1 answer:

Anika [276]3 years ago

5 0

Answer:

A. -3.5

Step-by-step explanation:

when adding a negative you subtract

so rewrite it as

1.5-5

which gives you -3.5

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Which of the following statements about unit rates is NOT true?

atroni [7]

Answer:

A) A unit rate relates a quantity to 1 : TRUE

B) unit rates can be used to compare two rates : TRUE

C) any rate is equivalent to its unit rate

. FALSE

D) a unit rate always relates quantities with the same units. FALSE

Step-by-step explanation:

The ratio that which is used to compare quantities of different kinds is known as the rate of that quantity.

A unit rate is the ratio.

Number of units of the first type of quantity : Number of units of the second type of quantity.

Now,

A) a unit rate relates a quantity to 1.

TRUE, as a UNIT is equivalent to one.

Hence, unit rate unit rate relates a quantity to 1.

B) unit rates can be used to compare two rates

TRUE, unit rate compares two rates.

C) any rate is equivalent to its unit rate

FALSE, only the rate of one single unit is equivalent to its Unit Rate.

D) a unit rate always relates quantities with the same units

FALSE, rate compares the two terms which are in different units.

8 0

3 years ago

Simplify the expression <br> 4 (c + 2)

salantis [7]

Answer:

4c+8

2jeqjepwjo

5 0

3 years ago

The circumference of the inner circle is 88 ft. The distance between the inner circle and the outer circle is 3 ft. By how many

Bogdan [553]

Answer:

18.86 feet

Step-by-step explanation:

The circumference of the inner circle is 88 ft.

Circumference of a Circle $=2\pi r$

Therefore:

$2\pi r =88\\r=88 \div (2*\frac{22}{7})=14 ft$

Radius of the inner circle=14 feet

If the distance between the inner circle and the outer circle is 3 ft, the radius of the outer circle=14+3 =17 feet.

Therefore. circumference of the outer Circle $=2\pi r$

$=2*\frac{22}{7}*17=106.86 ft$

Difference in Circumference=106.86-88 =18.86 feet

The circumference of the outer circle is greater than that of the inner circle by 18.86 feet.

8 0

3 years ago

Kk help pls!!!!!!!!!!!!!!!!!!!!!!!

Anon25 [30]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

How do you multiply 3*4 5/6

Anna11 [10]

Well, you multiply 3 * 4 first, which is 12.

Then, multiply 12 * 6, which is 72. Finally, you just add 72 + 5,

And the answer is 77 / 6 as improper fraction.

7 0

4 years ago