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enot [183]
3 years ago
5

Help plz:)))I’ll mark u Brainliest

Mathematics
1 answer:
Alexxx [7]3 years ago
6 0
They are based on SSS. They have the middle side which they share and is equal. And those other two lines also make those sides equal, so all sides are equal and they’re congruent
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11/21 as a decimal and a percent
pochemuha

11/21 written as a decimal would be 0.52381 and in percent, it would be 52.381%.

To solve percent, since the total or 1/1 is 100%, we have to remember that the answer is less than 100%. So, we move 2 decimal places right to make it into percent. Then, the answer is 52.381.

To solve percent, you would do 100/21. Then, you would get 4.7619047619. You multiply that by 11 and get 52.381. But, you have to move 2 places left since fractions are tens, hundreds. So, you would get 0.52381.

8 0
3 years ago
ANSWER NOW PLEASE.Solve this system of equations with substitution<br><br> x = y - 4<br><br> 2y = x
Arada [10]
In points form the answer is (-8,-4) and in equation form the answer is x=-8, y=-4
If this answered help you then please consider marking it as brainliest to help me level up to expert
4 0
2 years ago
Read 2 more answers
The chance of you having the same DNA as another person (other than an identical twin) is approximately 1 in
Sphinxa [80]

Answer:

10×10^-13

Hope this helps!

8 0
3 years ago
A certain paper suggested that a normal distribution with mean 3,500 grams and a standard deviation of 560 grams is a reasonable
Natalka [10]

Answer: the probability that a randomly selected Canadian baby is a large baby is 0.19

Step-by-step explanation:

Since the birth weights of babies born in Canada is assumed to be normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = birth weights of babies

µ = mean weight

σ = standard deviation

From the information given,

µ = 3500 grams

σ = 560 grams

We want to find the probability or that a randomly selected Canadian baby is a large baby(weighs more than 4000 grams). It is expressed as

P(x > 4000) = 1 - P(x ≤ 4000)

For x = 4000,

z = (4000 - 3500)/560 = 0.89

Looking at the normal distribution table, the probability corresponding to the z score is 0.81

P(x > 4000) = 1 - 0.81 = 0.19

5 0
3 years ago
Natalie buys a cooper wire that is 3 feet long. The cost of the wire is $1.25 per foot, including tax. What is the total cost, i
Mnenie [13.5K]

Answer:

$3.75

Step-by-step explanation:

Given:

Natalie buys a cooper wire that is 3 feet long.

The cost of the wire is $1.25 per foot.

Question asked:

What is the total cost, in dollars, of Natalie's wire?

Solution:

<u>By unitary method:</u>

Total length of wire = 3 feet

Each foot of wire cost = $1.25

3 feet of wire cost = $1.25 \times 3 = $3.75

Thus, total cost of wire is $3.75

5 0
3 years ago
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