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Alenkinab [10]
3 years ago
15

Can anyone help pls ? This is my last question pls

Mathematics
2 answers:
JulijaS [17]3 years ago
7 0

Answer:

107

Step-by-step explanation:

(3+10^2)+4

10^2=10x10=100

3+100=103

103+4=107

Bogdan [553]3 years ago
3 0

Answer:

107

Step-by-step explanation:

Pemdas - Parantheses First

3+10 2 (p<em>e</em>mdas)

10*10=100+3=103 Parantheses Done!

103+4=107

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HELP AND QUICKK!!!!
liberstina [14]

Answer:

A) 8+2.50x=28

B) 8 rides

C) Jada can go on 8 rides before she has spent all of her money

Step-by-step explanation:

subtract the $8 fee from 28 and get 20, then divide 20 by how much each ride costs (2.50) and get 8 :)

6 0
3 years ago
Read 2 more answers
Mr. Jones waffle recipe uses 3/4 cups of milk to make 8 waffles how many cups of milk should be used to make 24 waffles?
ella [17]

Answer:

9/4

Step-by-step explanation:

If you need 3/4 cups of milk to make 8 waffles, you would need 9/4 cups to make 24 waffles because you are making 3 times the amount of waffles, so you need 3 times the amount of milk.

5 0
3 years ago
Which triangle’s unknown side length measures 7 units?
kow [346]

A (A right triangle with a side length of 5 and hypotenuse with length \sqrt{74})

8 0
3 years ago
Read 2 more answers
The number of square feet per house are normally distributed with a population standard deviation of 137 square feet and an unkn
pshichka [43]

Answer:

Step-by-step explanation:

Given that X, the number of square feet per house is N(mean, 137)

Sample size = 19

Sample mean x bar =1350 sq ft

Since population std dev is given,

std error of sample = \frac{137}{\sqrt{19} } \\=31.43

Since sample size is small, t critical value can be used

df = 18

t value for 80% two tailed = 1.333

Margin of error = ±1.333(std error) = ±1.333*31.43\\=41.896

Confidence interval = sample mean ±margin of error

= 1350-41.896,1350+41.896\\=(1308.104,1391.896)

7 0
3 years ago
Analyze the diagram below and complete the instructions that follow. / Find the value of x. A. 4 B. 5 C. 6 D. 9
WARRIOR [948]

Answer:

C

Step-by-step explanation:

x^2 + (x+3)^2 = 117

x^2 + x^2+6x+9 =117

2x^2 + 6x - 108 = 0

(2x-12)(x+9)=0

x=-9,6

x cannot be negative therefore, x = 6

5 0
3 years ago
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