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3 years ago

What is the value of the x-intercept for the graph of 4x-5y=40?

Mathematics

1 answer:

Crank3 years ago

6 0

I believe its 4/5 because when you isolate y, you have to divide 5 and 4 but you Can just leave it in its decimal form.

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In class A, John got 85 for his first test John's class mean was 75 and standard deviation was 5. In class B, Kathy got 80 in he

ivanzaharov [21]

Answer:

b. Kathy

Step-by-step explanation:

We compare each of their score by how far away from the mean when in term of the standard deviation. Using the following formula

$\frac{x - \mu}{\sigma}$

For John he is (85 - 75)/5 = 2.

For Kathy she is (80 - 50)/10 = 3.

Since Kathy is 3 standard deviation better than her class' average, while John is only 2's. We conclude that Kathy did better.

6 0

3 years ago

What’s is the value of the expression 7+[8-(1+9)]

Amanda [17]

Answer:

Step-by-step explanation:

7+(8-(1+9))

7+(8-10)

7+(-2)

7-2

4 0

3 years ago

I did it wrong the first time

kvv77 [185]

Answer:

4.6

Step-by-step explanation:

For this question, we need the opposite side and have the opposite

with that said, out of SOH, CAH, TOA it's fastest to use TOA

tan(75)=17/x

17/(tan(75))=x

x= 4.555136271

which rounds to

4.6

4 0

3 years ago

Read 2 more answers

The table below shows the number of tea bags needed to make different amounts of iced tea. What is the total number of quarts of

never [62]

Answer:

? = 6

Step-by-step explanation:

We can set up a proportion to find the solution.

$\frac{4}{16}=\frac{?}{24}$

$(24)\frac{4}{16}=\frac{?}{24}(24)$

$6=?$

Therefore, 24 tea bags makes 6 quarts of iced tea.

5 0

2 years ago

What is pq? Pls help

Svetllana [295]

Answer:

is it 7.7 i am not sure

Step-by-step explanation:

5 0

3 years ago