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Sunny_sXe [5.5K]
3 years ago
7

Justin is training for a bike race. He bikes 4/10 mile five times a week. How many miles will Justin have biked after 8 weeks?

Mathematics
1 answer:
marshall27 [118]3 years ago
8 0

Answer:

16 miles.

Step-by-step explanation:

4/10 multiplied by 5 is 2. 2 multiplied by 8 is 16. Justin biked 16 miles.

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PLS HELP ME I WILL MARK THE BRAINLIEST
Serga [27]

Answer:

1. 155 yd², 2. 379.54 ft², 5. x = 65.82π

Step-by-step explanation:

1. A = (1/2) · (3 + 13) · 8

A = (1/2)(16)(8)
A = 64
A = bh
A = 13*7
A = 91
64 + 91 = 155
155 yd²

2. A = bh
A = 25x25
A = 625
A = πr²
A = 3.14*12.5²
A = 3.14*156.25
A = 490.625
490.925/2 = 245.4625
625 - 245.4625 = 379.5375
379.54 ft²

3. and 4. Sorry, I don't know how to solve these

5. A = πr²
A = 3.14*7²
A = 3.14*49
A = 153.86
x/154 = 153.86π/360
360x = 154*153.86π
360x = 23694.44π
x = 65.8178889π
x = 65.82π

Hope this helps :)

7 0
2 years ago
Given f(x)= 3x+21. A. F(4)=B. F(X)= 50, X=2. C. F(-5)=D. F(X)= -34, X=
nignag [31]

The given function is

f(x)=3x+2

A . f(4) means we have to evaluate the function when x = 4.

f(4)=3(4)+2=12+2=14<h2>Therefore, f(4) = 14.</h2>

B. f(x) = 50 means we have to evaluate the function when y = 50.-

\begin{gathered} 50=3x+2 \\ 50-2=3x \\ x=\frac{48}{3} \\ x=16 \end{gathered}<h2>Therefore, f(16) = 50.</h2>

C. f(-5) means we have to evaluate the function when x = -5.

f(-5)=3(-5)+2=-15+2=-13<h2>Therefore, f(-5) = -13.</h2>

D. f(x) = -34.

\begin{gathered} -34=3x+2 \\ -34-2=3x \\ x=\frac{-36}{3} \\ x=-12 \end{gathered}<h2>Therefore f(-12) = -34.</h2>
4 0
1 year ago
Is 5 a solution of the equation? 13 - d = 8
crimeas [40]
Yes because 13-5=8. not any other single number can be identified in the missing number
3 0
3 years ago
Read 2 more answers
A family gathered 20 small sea shells from the beach brining the total number of small seashells in their collection to 41.
Novosadov [1.4K]

Answer:

C, x + 20 = 41

Step-by-step explanation:

X represents the number of small sea shells that we originally had. When the family adds 20 more shells, that makes x + 20. The total number is 41, so that means the number of sea shells they already had (x) plus the number of sea shells they collected (20) equals the number of shells they have now (41).

5 0
3 years ago
A certain medication comes in the form of a capsule, as shown below. The fluid inside the capsule contains several ingredients,
Lyrx [107]

Answer:

V= 103.9 mm^3 and 72.7 mg

Step-by-step explanation:

Reasons

8 0
3 years ago
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