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3 years ago

One-third of a number t is equal to 7. Write the word sentence as an equation then solve

Mathematics

1 answer:

Artemon [7]3 years ago

6 0

Answer:

Step-by-step explanation:

One third of the number can be represented by 1/3t.

To make an equation, set this equal to 7.

1/3t = 7

Then, solve for t by dividing each side by 1/3:

1/3t = 7

t = 21

So, the number is 21.

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The product of (x+2) (x-3) is

Aloiza [94]

Answer:

Step-by-step explanation:

$(x + 2)(x - 3)$

Multiply each term in the first parentheses by each term in the second parentheses ( FOIL)

$x(x - 3) + 2(x - 3)$

Calculate the product

${x}^{2} - 3x + 2x - 6$

Collect like terms

${x}^{2} - x - 6$

Hope this helps..

Best regards!

5 0

3 years ago

Read 2 more answers

Jordan is another employee at the same coffee shop. He has worked there longer than Gabe and earns $3 more per hour than gabe

mel-nik [20]

Answer:

- Gabe earns 13.5 per hour

x ------------------ 4 ---- 8 --------- 12 ------ 16

Earnings ----- 57 ---- 111 ------- 165------ 219

Step-by-step explanation:

5 0

3 years ago

What is cos P?<br><br> A. 5/13<br><br> B. 12/5<br><br> C. 5/12<br><br> D. 12/13

guajiro [1.7K]

The answer is A. 5/13

4 0

3 years ago

Read 2 more answers

Suppose a large shipment of telephones contained 21% defectives. If a sample of size 498 is selected, what is the probability th

grandymaker [24]

Answer:

$P(-3\% < x < 3\%) = 0.901$

Step-by-step explanation:

Given

$p = 21\%$

$n = 498$

Required

$P(-3\% < x < 3\%)$

First, we calculate the z score

$z = \sqrt{p * (1 - p)/n}$

$z = \sqrt{21\% * (1 - 21\%)/498}$

$z = \sqrt{21\% * (79\%)/498}$

$z = \sqrt{0.1659/498}$

$z = \sqrt{0.000333}$

$z = 0.0182$

So:

$P(-3\% < x < 3\%) = P(-3\%/0.0182 < z$

$P(-3\% < x < 3\%) = P(1.648 < z$

From z probability, we have:

$P(-3\% < x < 3\%) = 0.901$

6 0

3 years ago

Maria spends $13 on lottery tickets every week and spends $120 per month on food. On an annual basis, the money spent on lottery

netineya [11]

I think it is around 46%

4 0

3 years ago