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AveGali [126]
2 years ago
10

In the diagram below , if m 66 68 72 78

Mathematics
2 answers:
Anna007 [38]2 years ago
6 0
132-64= 68
Answer is 68
olya-2409 [2.1K]2 years ago
5 0

Answer:

∠ QST = 68°

Step-by-step explanation:

∠ QST + ∠ RSQ = ∠ RST , that is

∠ QST + 64° = 132° ( subtract 64° from both sides )

∠ QST = 68°

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-13x - 8 = 5 - 8x -3
kramer

Answer:

x = -2

Step-by-step explanation:

-13x - 8 = 5 - 8x - 3 \\\\-13x + 8x = 5 - 3 + 8 \\\\-5x = 10 \\\\x = \frac{-10}{5} = -2

3 0
3 years ago
1. 27 marbles are shared between some children. Each child recieves six marbles and there are three marbles left over. How many
vova2212 [387]
1. 27 - 3 (because 3 are left over) = 24. Then, 24 ÷ 6 = 4 children. 

2. If Mina has £7.20, that means she has 720 pence. If half is given to her brother, then she has £3.60 left. (720 ÷ 2 = 360 pence, which is £3.60) 

3. 17 × 10 = 170
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170 + 40 = 210, which is £2.10 

5 0
3 years ago
Find the GCF of each pair of Monomials: 36k and 144k ​
kari74 [83]

Answer:

36k

Step-by-step explanation:

36k = 2² × 3² × k

144k = 2^4 × 3² × k

GCF = 2² × 3² × k

GFC = 36k

6 0
3 years ago
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. If a certain statistician has an of 122 ,
marusya05 [52]

Answer:

B. 93%

Step-by-step explanation:

Find the z-score:

z = (x − μ) / σ

z = (122 − 100) / 15

z = 1.47

Find the probability using a calculator or z-score table.

P(Z < 1.47) = 0.93

7 0
3 years ago
Solve for x. -2(-4+3)-8=2(2+x)
OverLord2011 [107]

Answer:

x = − 5

Step-by-step explanation:

3 0
2 years ago
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