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zvonat [6]
3 years ago
6

Can you

Mathematics
1 answer:
lutik1710 [3]3 years ago
4 0
PLEASE HELPPPPP ME PLEASE I DONT KNOW WHAT TO DO ☹️#8
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1 7/8 divided by 3/4 can someone please help me
sesenic [268]
1. Change 1 7/8 to an improper fraction, which gives you 15/8.

2. Use KFC to divide fractions. KEEP the first term, FLIP the second and CHANGE to multiplication.

3. 15/8 x 4/3 = 60/24 = 2 1/2
3 0
3 years ago
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Which congruence theorems can be used to prove EFG congruent to JHG
MatroZZZ [7]

SAS you have two pairs of parallel sides

you have another pair of side congruent to one another

and angle G is the same to itself.

3 0
3 years ago
A research firm conducted a survey of 49 randomly selected Americans to determine the mean amount spent on coffee during a week.
Andre45 [30]

Answer:

(21.4, 18.6)

Step-by-step explanation:

Given that:

Mean (μ) = $20 per week

Standard deviation (σ) = $5

number of sample (n) = 49

Confidence level = 95% = 0.95

α = 1 - 0.95 = 0.05

\frac{\alpha }{2}=\frac{0.05}{2} = 0.025\\  z_{\frac{\alpha }{2} }=z_{0.025}= 1.96  from the probability table.

The margin of error (e) = z_{\frac{\alpha}{2} *\frac{\sigma}{\sqrt{n} } = 1.96*\frac{5}{\sqrt{49} } =1.4

Confidence interval = μ ± e = (μ + e, μ - e) = (20 + 1.4, 20 - 1.4) = (21.4, 18.6)

3 0
4 years ago
Can someone please help me
Crank
1. 42cm- the bottom is 15 cm and the right is 6cm.
2. 32cm-all the other sides are 8cm.
3. 26.8 cm-all the sides add up to 26.8cm.
4. 80-the left is 16cm and the side close to 5cm is 9cm.
I really hope this helps you :D
5 0
4 years ago
Help possess answer sjsjjdjd
Snezhnost [94]

Answer: D

Step-by-step explanation:

By using the slope you can find this answer. The slope is 3/4. You rise three and go over 4

7 0
3 years ago
Read 2 more answers
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