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WARRIOR [948]
2 years ago
15

10 Topic Asessment Form A

Mathematics
1 answer:
Vedmedyk [2.9K]2 years ago
6 0

Answer:

the answer would be 5

Step-by-step explanation:

:3

.

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Sandra needs to buy 21/25 meters of chain for a home project. Which decimal number is equal to the fraction 21/25 ?
lesya692 [45]
<u><em>≡ Solution:</em></u>
<em>⇔ To make it easier:</em>
⇒ ²¹/₂₅ × ⁴/₄
⇒ ⁸⁴/₁₀₀
<u>⇒ 0,84</u>
8 0
3 years ago
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Solve for x. Round to the nearest tenth of a degree, if necessary.
brilliants [131]

Answer:

78

Step-by-step explanation:

8 0
2 years ago
Write two fractions where the LCD is 20
sesenic [268]
Two fractions where the LCD between them is 20 can be 7/20 and 20/40.

I chose these 2 fractions because 7/20 cannot be reduced anymore, but 15/40 can be reduced into 10/20.
3 0
3 years ago
In any triangle, the three angles add up to 180°. In my triangle, the first angle is twice the second angle, and the second angl
nekit [7.7K]

Answer:

<h3>Therefore the angles of the triangle are 52.5°, 105°,49.5°.</h3>

Step-by-step explanation:

Triangle:

  • The sum of the angle of triangle = 180°
  • Heron's formula the area of triangle = \sqrt{s(s-a)(s-b)(s-c)}

s= semi-perimeter =\frac{a+b+c}{2}

Given that , first angle is twice the second angle, and the second angle is 30° larger than the third angle.

Consider the second angle of the triangle be x.

Then first angle = twice the second angle

                           =2× second angle

                           =2x

The third angle+30° =  second angle

⇒third angle= second angle -30°

                    = x- 30°

We know that,

First angle + second angle+ Third angle = 180°

⇒2x+x+x-30°= 180°

⇒4x = 180° +30°

⇒4x=210°

\Rightarrow x= \frac{210^\circ}{4}

⇒x=52.5°

Therefore the angles of the triangle are 52.5°, (2×52.5°),(52.5°-30°)

                                                                    =52.5°, 105°,49.5°

5 0
3 years ago
Which of the following best describes the slope of the line below?
Jet001 [13]

Answer:

a

Step-by-step explanation:

I think it is undefined

6 0
3 years ago
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