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Ne4ueva [31]
3 years ago
6

Brian visited a mountain park with trails for hiking, mountain biking, horseback riding, and cross-country skiing. The chart sho

ws the time Brian spent doing each activity.
A 2-column table with 4 rows titled Brian's Activity time (hours). Column 1 has entries hiking, mountain biking, horseback riding, cross-country skiing. Column 2 has entries 3, 1.45, 1.2, 0.75.

Brian biked the yellow trail loop that circles the park. He rode at an average speed of 12.2 miles per hour. How many miles did Brian bike?

12.2
× 1.45
610
4880
+_(___)_

Brian biked a distance of
miles.
Mathematics
2 answers:
WITCHER [35]3 years ago
8 0

Answer:

17.690 miles

Step-by-step explanation:

i took the test

Naya [18.7K]3 years ago
5 0

Answer:

17.690 miles

Step-by-step explanation:

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Choose Yes or No to tell if the fraction 3 5 will make each equation true. 7 20 + □ = 19 20 Choose... □ + 3 10 = 3 15 Choose...
OleMash [197]

Answer:

True ; false ; False ; true

Step-by-step explanation:

Equation 1:

7 20 + □ = 19 20

19 / 20 - 7/20

(19 - 7) / 20

12/ 20 = 3/5

Equation 2:

□ + 3 10 = 3 15

3/5 + 3/10

(6 + 3) / 10 = 9/10

Equation 3:

1 2 + 2 3 = □

1/ 2 + 2/3

(3 + 4) / 6

7 / 6

Equation 4:

1 10 + 1 2 = □

1/10 + 1/2

(1 + 5) / 10

6 / 10 = 3/5

4 0
3 years ago
-25^-1/2 with explanation please
slavikrds [6]

Answer:

The simplified value of -25^{-\frac{1}{2}} is -\frac{1}{5}.

Step-by-step explanation:

As the given expression is

-25^{-\frac{1}{2}}

Lets simplify this expression step by step

As

-25^{-\frac{1}{2}}....[A]

\mathrm{Apply\:exponent\:rule}:\quad \:a^{-b}=\frac{1}{a^b}

25^{-\frac{1}{2}}=\frac{1}{25^{\frac{1}{2}}}

So, lets plug 25^{-\frac{1}{2}}=\frac{1}{25^{\frac{1}{2}}} in equation [A] i.e.  -25^{-\frac{1}{2}}....[A]

-25^{-\frac{1}{2}}....[A]

=-\frac{1}{25^{\frac{1}{2}}}        ∵ 25^{-\frac{1}{2}}=\frac{1}{25^{\frac{1}{2}}}

=-\frac{1}{5}           ∵ 25^{\frac{1}{2}}=5

Therefore, the simplified value of -25^{-\frac{1}{2}} is -\frac{1}{5}.

Keywords: simplification, exponent rule

Learn more about expression simplification from brainly.com/question/13848834

#learnwithBrainly

5 0
3 years ago
If f(2x–1) = x+2, then what is the value of f⁻¹(2x–1)?
Anit [1.1K]

Answer:

So F(x+3) = (x+3+5)/2 = (x+8)/2

Step-by-step explanation:

Given F(2x-1) = x+2

Put 2x-1 = y=> x = (y+1)/2

Hence F(y) = (y+1)/2 +2 = (y+5)/2

So F(x) = (x+5)/2

So F(x+3) = (x+3+5)/2 = (x+8)/2.

7 0
4 years ago
7th grade math help me pleasee
emmasim [6.3K]

Answer:

5a. 30

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Step-by-step explanation:

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Please help! (Find the area of the shaded region)
jeyben [28]

Answer:

9.43 ft

Step-by-step explanation:

First, we need to find the area of the entire circle(shaded & unshaded), which is 12.57, with a radius of 2 ft. Next, we find the area of the white area, and NOT the shaded area, which is 3.14, with a radius of 1 ft. Now, we need to subtract the white area(3.14) from the total area(12.57), which is 9.43.

Hope this helps!

8 0
3 years ago
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