4 years ago

Ciaran scores 76% work out 76% of 75 marks Help pls

1 answer:

3 0

To get 76% of 75 you turn the fraction to a decimal, then multiply it to the number. 76% as a decimal us 0.76 and 0.76 * 75 = 57

So, Ciaran got 57 out of 75 questions right.

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Find all the powers of 4 in the range of 4 through 1000

Nookie1986 [14]

4¹ = 4
4² = 16
4³ = 64
4⁴ = 256

(4⁵ = 1,024)

4 0

3 years ago

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levacccp [35]

Answer:

5 units

Step-by-step explanation:

You can use the distance formula or pythagorean theorem to solve this.

Original point A: (0,0)

New point B: (3, 4)

Distance formula: $\sqrt{(x_{2}-x_{1})^{2} +(y_{2}-y_{1})^{2} }$

Plug the points in:

$\sqrt{(3-0)^{2} +(4-0)^{2} }$ = 5

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3 years ago

During second period, Kiera completed a grammar worksheet. Of the 90 questions, she got 70% right. How many questions did Kiera

ANEK [815]

Answer:

we conclude that Kiera got the right 63 questions.

Step-by-step explanation:

Total questions = 90

The percentage of correct question = 70%

Using the formula

The number of correct questions = 70% of 90

= [70/100] × 90

= 0.7 × 90

= 63

Therefore, we conclude that Kiera got the right 63 questions.

7 0

3 years ago

A quadrilateral with at least one pair of parallel sides and at least two right angles

NemiM [27]

It could be a rhombus

4 0

3 years ago

Find all integers $n$ for which $\frac{n^2+n+1}{n-1}$ is an integer.

Grace [21]

$\dfrac{n^2+n+1}{n-1}=\dfrac{(n-1)^2+3(n-1)+3}{n-1}=n-2+\dfrac3{n-1}$

The remainder term $\dfrac3{n-1}$ will never vanish, and will always be rational as long as the denominator is not 1, 3, or -3.

$n-1=1\implies n=2$
$n-1=3\implies n=4$
$n-1=-3\implies n=-2$

7 0

3 years ago