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3 years ago

Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).

Mathematics

1 answer:

den301095 [7]3 years ago

4 0

Answer:

multiply

Step-by-step explanation:

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In class 6, 80percent of the children like crisps.

dezoksy [38]

80% like crisps
75% of the 80% like chocolate.

What percent of the total are the children who like chocolate and crisps?

75% of 80% = 60%

This 60% of children like chocolate and crisps

6 0

3 years ago

Read 2 more answers

Prove that the value of the expression<br> (16^3–8^3)(4^3 +2^3) is divisible by 63.

Darya [45]

Answer:

Step-by-step explanation:

16^3 - 8^3

Take out 8^3 as a common factor.

16^3 = 2^3 * 8^3

8^3(2^3 - 1)

8^3(8 - 1) = 8^3 * 7

(4^3 + 2^3) Expand

64 + 8 Combine

72 = 9 * 8

Conclusion

(8*3 * 7 )(9*8)

7*9 = 63

So any number containing 63 will divide into the reduced form of

(16^3–8^3)(4^3 +2^3)

7 0

2 years ago

Sally needs 2/3 of a pound of potatoes. This is 1/3 of a pound more than 4/3 of the potatoes Sally has in her pantry

amid [387]

Lets assume, Sally has X pound of potatoes in her pantry.

So, 4/3 of the potatoes Sally has in her pantry = $\frac{4}{3}X$

Now, Sally needs 2/3 pound of potatoes and this 2/3 pound of potatoes is 1/3 pound more than that $\frac{4}{3}X$

So the representing equation will be:

$\frac{2}{3} = \frac{1}{3}+ \frac{4}{3}X$

$\frac{2}{3} - \frac{1}{3} = \frac{4}{3} X$ (subtracting $\frac{1}{3}$ from both sides)

$\frac{1}{3}= \frac{4}{3}X$

$1= 4X$ (multiplying both sides by 3)

$X =\frac{1}{4}$

So, Sally has $\frac{1}{4}$ pound of potatoes in her pantry.

4 0

3 years ago

A proton has a mass of 1.67 × 10^–27 kilogram, and an electron has a mass of 9.11 × 10^–31 kilogram. Which is greater, the mass

LenKa [72]

Answer:

Mass of a proton

Step-by-step explanation:

8 0

2 years ago

One function has an equation in slope-intercept form: y = x + 5. Another function has an equation in standard form: y + x = 5. E

vlada-n [284]

Without converting the equations to the same form, the property that must be different in the functions is the slope

<h3>How to determine the difference in the properties of the functions?</h3>

From the question, the equations are given as

y = x + 5

y + x = 5

From the question, we understand that:

The equations must not be converted to the same form before the question is solved

The equation of a linear function is represented as

y = mx + c

Where m represents the slope and c represents the y-intercept

When the equation y = mx + c is compared to y = x + 5, we have

Slope, m = 1

y-intercept, c = 5

The equation y = mx + c can be rewritten as

y - mx = c

When the equation y - mx = c is compared to y + x = 5, we have

Slope, m = -1

y-intercept, c = 5

By comparing the properties of the functions, we have

The functions have the same y-intercept of 5
The functions have the different slopes of 1 and -1

Hence, the different properties of the functions are their slopes