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Deffense [45]
3 years ago
14

Please helpppp !!!!!!!!!!!! Will Mark Brianliest !!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Alexxx [7]3 years ago
7 0

Answer:

71

Step-by-step explanation:

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When leaving a town, a car accelerates from 30 kmh-1 to 60 kmh-1 in 5 s. Assuming the
aleksandr82 [10.1K]

Answer:

B .62.5 m

Step-by-step explanation:

convert Kmh-1 in to ms-1

30 Kmh-1 = (30×1000) ÷3600 = 8.3ms-1

60 Kmh-1 = (60×1000) ÷3600 = 16.6 ms-1

acceleration = (16.6 - 8.3) ÷ 5 = 1.66 ms-2

V^2 = U^2 +2aS

(16.6)^2 = (8.3)^2 + 2×1.66 ×S

S = 62.5 m

6 0
3 years ago
Round your answer to the nearest hundredth.
Colt1911 [192]

Answer:

33.69

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
In Triangle ABC, the length of Segment AB is equal to the length of segment AC. The length of segment BC is 4 less than twice th
seraphim [82]

Step-by-step explanation:

Let x be the length of segment AB.

Then the length of segment BC is (2x - 4).

The length of segment AC is x.

We know that x + (2x - 4) + x = 52.

Therefore 4x - 4 = 52, 4x = 56, x = 14.

Hence the length of segment AB is 14.

7 0
3 years ago
Fond the area of the shaded sector of circle C to the nearest tenth
Lesechka [4]

Solution

Step 1

Write an expression for the area of sector

Area\text{ (A) = }\frac{\theta}{360}\times\pi\times r^2

Where

θ = 52°

π = 3.14

r = 8cm

Step 2

Find the area of the sector after substitution of values into the formula above.

\begin{gathered} A\text{ =}\frac{52}{360}\times3.14\times8^2 \\ A=29.028cm^2 \end{gathered}

To the nearest tenth the area of the shaded sector of circle C = 29.0cm²

5 0
1 year ago
Shawn made a scale drawing of a house and its lot. The scale he used was 13 inches = 5 feet. The backyard is 104 inches in the d
NemiM [27]
13 inches = 5 feet

----------------------------
Find 1 inch:
----------------------------
1 inch = 5/13 feet

----------------------------
Find 104 inches:
----------------------------
104 inches = 5/13 x 104 feet
104 inches = 40 feet

--------------------------------------------------------
Answer: 40 feet
--------------------------------------------------------
6 0
3 years ago
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