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shutvik [7]
4 years ago
12

Please help with this

Mathematics
1 answer:
Stella [2.4K]4 years ago
7 0

Answer:

B

Step-by-step explanation:

When it's parallel that means it has the same slope. The slope of this equation is 1/2 therefore the answer is B

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=<br> Fill in the blank. In the triangle below, zº = ?
bazaltina [42]
Z°=48°


Think about the rule that ALL triangles must have a sum of all angles to be 180°.

So 90°+42°=132°
180°-132°=48°

Feel free to check your work too!

90°+42°+48°=180°

So you’re answer is z°=48°
4 0
3 years ago
Read 2 more answers
Write the number with the same value as 32 tens
sukhopar [10]
30 tens + 2 ones = 32

Hope I helped :P 
7 0
3 years ago
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John bought 3 pencils for $0.75 each and a notebook for $4.25. If the tax rate is 5%, what is the total amount of John's purchas
SIZIF [17.4K]

Answer:

$6.83

Step-by-step explanation:

First calculate the before-tax total amount:

$0.75 + $0.75 + $0.75 + $4.25, or

3($0.75) + $4.25 = $2.25 + $4.25 = $6.50    (total before tax)

The before-tax total PLUS the 5% tax comes to:

$6.50 + 0.05($6.50) = $6.50 + $0.33  =  $6.83

7 0
3 years ago
The length of time taken on the SAT for a group of students is normally distributed with a mean of 2.5 hours and a standard devi
son4ous [18]

Answer:

Step-by-step explanation:

Since the length of time taken on the SAT for a group of students is normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - u)/s

Where

x = length of time

u = mean time

s = standard deviation

From the information given,

u = 2.5 hours

s = 0.25 hours

We want to find the probability that the sample mean is between two hours and three hours.. It is expressed as

P(2 lesser than or equal to x lesser than or equal to 3)

For x = 2,

z = (2 - 2.5)/0.25 = - 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.02275

For x = 3,

z = (3 - 2.5)/0.25 = 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.97725

P(2 lesser than or equal to x lesser than or equal to 3)

= 0.97725 - 0.02275 = 0.9545

6 0
4 years ago
1)Give two numbers whose square roots add up to 5.
barxatty [35]

\sqrt{9} +\sqrt{4}=5\\ \\\sqrt[3]{64}+\sqrt[3]{125}=9

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

4 0
4 years ago
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