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3 years ago

write a subtraction equation that equals -4 and includes a number divisible by 7 and a number divisible by 2

Mathematics

1 answer:

horsena [70]3 years ago

5 0

-28-(-24)=-4

14-18=-4

28-32=-4

Any of these should work and there are plenty more that would work as well

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Suppose that during one period extreme cold,the average daily temperature decreased 1 1/2 F each day. How many days did it take

Alenkasestr [34]

We have been given that during one period extreme cold, the average daily temperature decreased $1\frac{1}{2}$ degree F each day. We are asked to find number of days it will take for the temperature to decrease by 9 degree F.

First of all we will convert our mixed fraction into improper fraction.

$1\frac{1}{2}=\frac{3}{2}$

Now we will divide total temperature change (9) by average daily temperature change ( $\frac{3}{2}$ ) to find number of days.

$9\div\frac{3}{2}$

Dividing a number by a fraction is same as multiplying the number by reciprocal of the fraction.

$9\cdot\frac{2}{3}$

$3\cdot2=6$

Therefore, it will take 6 days for the temperature to decrease by 9 degree F.

7 0

3 years ago

May someone help me please

fredd [130]

8 + 5 (x - 3)^3...when x = 9
8 + 5 (9 - 3)^3 =
8 + 5 (6^3) =
8 + 5(216) =
8 + 1080 =
1088

4 0

3 years ago

How do I find the degrees

Zanzabum

Answer:

x = 135°

Step-by-step explanation:

The angle x is the same fraction of 360° that the shaded area is of the area of the circle.

The area of a circle is given by the formula ...

A = πr²

For a radius of 12 cm, the area of the circle is ...

A = π(12 cm)² = 144π cm²

Then the measure of angle x is ...

x = (54π cm²)/(144π cm²)×360°

x = 135°

3 0

3 years ago

The distance between Cincinnati Ohio from Charlotte North Carolina is about 336 miles the distance between Cincinnati and Chicag

e-lub [12.9K]

Im pretty sure you just add both numbers.

5 0

4 years ago

A scale model of the Washington monument is 18 inches tall and the base is 2.5 inches wide. If the actual monument is approximat

d1i1m1o1n [39]

Answer:

77.1 feet

Step-by-step explanation:

<u>Scale model:</u>

Height = 18 inches

Width = 2.5 inches

<u>Actual monument:</u>

Height = 555 feet

Width = x feet

Write a proportion:

$\dfrac{\text{Scale height}}{\text{Actual height}}=\dfrac{\text{Scale width}}{\text{Actual width}}\\ \\ \\\dfrac{18 \ inches}{555\ feet}=\dfrac{2.5\ inches}{x\ inches}\\ \\ \\x=\dfrac{555\ feet\cdot 2.5\ inches}{18\ inches}\approx 77.1\ feet$

8 0

3 years ago

write a subtraction equation that equals -4 and includes a number divisible by 7 and a number divisible by 2​

write a subtraction equation that equals -4 and includes a number divisible by 7 and a number divisible by 2