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3 years ago

Please guys help to solve this problem

Mathematics

2 answers:

liq [111]3 years ago

6 0

9514 1404 393

Answer:

300

Step-by-step explanation:

Since nobody failed, the number who passed one or the other was 100%.

P(O + W) = P(O) +P(W) -P(O&W)

100% = 80% +70% -P(O&W)

P(O&W) = 50% = 150 students

If 150 students are 50% of the examinees, then 100% will be 300 students.

zhuklara [117]3 years ago

3 0

Answer:

hope it helps

<h3>#<em><u>CARRYONLEARNING</u></em></h3>

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975 and is increasing at a rate of 2.5% per year for 7 years

sesenic [268]

Answer:

2.5 × 7 = 17.5

975 × 17.5% = 170.62

975 + 170.62

= 1145.62

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3 years ago

A 5-lb bag of apples costs $4.50, and an 8-lb bag of the same type of apples costs $7.52. Greg found the unit price, which is th

Sedaia [141]

Answer:

4 cents

Step-by-step explanation:

4.50 divide by is .9 and 7.52 divide by 8 is .94

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3 years ago

The Ipad that Ms. Hopham would like to buy for research is $1,299. This week it is on sale for $990, and the sales tax is 6%. Ho

Firdavs [7]

Turn the percentage into a decimal.

6% = 0.06

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Add.

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Best of Luck!

4 0

3 years ago

Which expression is equivalent to -3(4x-0.50)?<br> PLEASEEEEEEEEEEEEE HELPPP

Misha Larkins [42]

Final Answer: $-12x + 1.5$

Steps/Reasons/Explanation:

Question: Which expression is equivalent to $-3(4x - 0.50)?$

<u>Step 1</u>: Expand by distributing terms.

$-3$ × $4x - 3$ × $-0.50$

<u>Step 2</u>: Simplify $-3$ × $4x$ to $-12x$ .

$-12x - 3$ × $-0.50$

<u>Step 3</u>: Simplify $3$ × $-0.50$ to $-1.5$ .

$-12x - (-1.5)$

<u>Step 4</u>: Remove parentheses and add.

$-12x + 1.5$

~I hope I helped you :)~

6 0

3 years ago

A line has an y-intercept of 4 and a x-intercept of 1. Use this information to write a function in slope intercept form (y = mx

Ad libitum [116K]

Answer: D. y = -4x + 4

Step-by-step explanation:

Notice that the y-intercept is when x is zero and the x intercept is when y is 0.

and to write in the equation in slope intercept form , you will need the slope and the intercept.

We will use the y and x intercepts to find the slope, by find the difference in their y coordinates and dividing it by the difference in their x coordinates.

y intercept: ( 0,4)

x intercept: (1,0)

y coordinates difference: 4 - 0 = 4

x coordinates difference: 0 - 1 = - 1

Slope: 4/-1 = -4

Since the slope is -4 and the the y intercept is 4 , the equation will be

y = -4x + 4

7 0

3 years ago

Please guys help to solve this problem​

Please guys help to solve this problem