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vampirchik [111]
3 years ago
8

Hilda runs 2/3 of a mile in half an hour if she continues to run at a constant rate how many miles will she run in 3 hours

Mathematics
2 answers:
Elza [17]3 years ago
5 0
So she runs 2/3 of a mile in half an hour

There a 6 half an hours in 3 hours

So 2/3 multiplies by 3 is 4 miles
Vaselesa [24]3 years ago
3 0

Hilda will run 4 miles in 3 hours.

Multiply 2/3 by 2, then multiply that product by 3

Hope it helps :)

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What is the inverse of the functionf(x)=2x+1
inna [77]
To find the inverse you have steps
1. replace f(x) with y
2. swich x and y places
3. solve for y
4. replace y with f⁻¹(x) (read 'f inverse')

so we have
f(x)=2x+1

replace f(x) with y
y=2x+1

switch x and y
x=2y+1

solve for y
x=2y+1
subtract 1
x-1=2y
divide both sides by 2
\frac{x-1}{2}=y
y=\frac{x-1}{2}
repplace y with f⁻¹(x)
f⁻¹(x)=\frac{x-1}{2}



7 0
3 years ago
The area of triangle is 48 cm sq,its base is 12 cm. find its altitude​
Mariana [72]

Answer:

its altitude is 8 cm

Step-by-step explanation:

1/2× base ×altitude =48

1/2×12× al =48

6×al =48

al = 8

5 0
2 years ago
If 1/8(8x+15)24, what is the value of x?
Lelechka [254]

Answer:

x=22.125  or  x=\frac{177}{8}

Step-by-step explanation:

<u><em>The correct equation is</em></u>

1/8(8x+15)=24

solve for x

Multiply by 8 both sides to remove the fraction

(8x+15)=192

subtract 15 both sides

8x=192-15\\8x=177

divide by 8 both sides

x=\frac{177}{8}

x=22.125

3 0
3 years ago
How much do these pictures repesent in fractions, a and b(and plz click in the photo and look at it sideways)
katrin2010 [14]
A because it is 3 out of 4
6 0
3 years ago
Find the area of a parallelogram with sides of 6 and 12 and an angle of 60°.
Anna007 [38]

ANSWER

36√3 square units.

EXPLANATION

The area of a parallelogram is obtained by multiplying the base by the height.

We use the sine ratio to obtain the height.

\sin(60 \degree)  =  \frac{h}{6}

h = 6 \sin(60 \degree)

h = 3 \sqrt{3}

The area becomes:

12 \times 3 \sqrt{3}  = 36 \sqrt{3} {units}^{2}

4 0
3 years ago
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