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zhuklara [117]
3 years ago
13

Due tonight please help me

Mathematics
1 answer:
amid [387]3 years ago
5 0

Answer:

k=61, l=61, m58

Step-by-step explanation:

5x+21=2x+45

3x=24

x=8

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Ciaran scores 76% work out 76% of 75 marks <br><br> Help pls
dlinn [17]

To get 76% of 75 you turn the fraction to a decimal, then multiply it to the number. 76% as a decimal us 0.76 and 0.76 * 75 = 57

So, Ciaran got 57 out of 75 questions right.

3 0
4 years ago
Cindy added 7/8 cup of water to 1/4 cup of juice concentrate.how much juice did cindy make?​
muminat

Answer:

1 1/8

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
2. Tyler has 4 times as much money as Ryan. Find the ratio of Ryan's money to<br> Tyler's money.
Phantasy [73]

Answer:

1:4

Step-by-step explanation:

4 0
3 years ago
Select the expression that has a value of 28. (4 points)
anastassius [24]

Answer:

(8 + 4 × 6) ÷ 2 + 7

Step-by-step explanation:

8 + (4 × 6) ÷ 2 + 7 = 27

8 + 24 ÷ 2 + 7

8 + 12 + 7

27

8 + 4 × 6 ÷ (2 + 7) = 10\frac{2}{3}

8 + 4 × 6 ÷ 9

8 + 24 ÷ 9

8 + 2\frac{2}{3}

10\frac{2}{3}

(8 + 4 × 6) ÷ 2 + 7 = 23

(8 + 24) ÷ 2 + 7

32 ÷ 2 + 7

16 + 7

23

(8 × 4) + 6 ÷ 2 − 7 = 28

32 + 6 ÷ 2 - 7

32 + 3 - 7

35 - 7

28

3 0
3 years ago
A kite is flying with its string, which is of length 60 metres, taut.The kite is 20 metres vertically above the ground.a)Find th
chubhunter [2.5K]

a) Due to you have a right triangle, in order to calculate the value of d, use the Pythagorean thorem:

d=\sqrt[]{(60m)^2+(20m)^2}=\sqrt[]{4000m^2}\approx63.2m

Hence, the distance d is approximately 63.2m

b) To find the angle of elevation, use the sine function of θ, as follow:

\begin{gathered} \sin \theta=\frac{opposite}{hypotenuse}=\frac{20m}{60m}=\frac{1}{3} \\ \theta=\sin ^{-1}(\frac{1}{3})\approx19.8 \end{gathered}

Hence, the angle of elevation is approximately 19.8°

5 0
2 years ago
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