3 years ago

5) Ray has $25 to spend and used

Mathematics

1 answer:

victus00 [196]3 years ago

5 0

-18 is the best integer

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What is the value of 4 x minus 7 when x = 4?191623

katen-ka-za [31]

Solution:

Given:

$4x-7$

when x = 4,

$\begin{gathered} Substitute\text{ }x=4\text{ into }4x-7 \\ 4x-7=4(4)-7 \\ =16-7 \\ =9 \end{gathered}$

The answer is 9.

7 0

1 year ago

The inequality x - y > 0 is satisfied by point (-1, 1). a. True b. False

Paraphin [41]

Substitute the values into the inequality:

-1 - 1 > 0

-2 > 0

False

7 0

3 years ago

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Saira is using the formula for the area of a circle to determine the value of LaTeX: \piπ. She is using the expression LaTeX: Ar

lord [1]

Given:

Area of a circle, A=50.265 sq. units.

Radius of circle, r = 4 units.

To find:

The value of π to the nearest thousandth.

Solution:

Formula for area of a circle is

$A=\pi r^2$

$\dfrac{A}{r^2}=\pi$

$Ar^{-2}=\pi$

Now, using $Ar^{-2}$ expression, we can find the value of π.

$\pi=50.265904(4)^{-2}$

$\pi=\dfrac{50.265904}{4^2}$

$\pi=\dfrac{50.265904}{16}$

$\pi=3.141619$

Approximate the value to the nearest thousandth (three digits after decimal).

$\pi\approx 3.142$

Therefore, the approximated value of π is 3.142.

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3 years ago

What is the area of this triangle A=bh/2 A:17m2 B:30m2 C:60m2 D:120m2

adelina 88 [10]

Base = 5
height = 12

Area = (5*12)/2 = 30 m²

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2 years ago

05.01)Allen has a photo that is 6 in by 8 in. What will the dimensions of the photo be if he scales it down by a factor of one-h

poizon [28]

Half of 6 is 3
Half of 8 is 4
so it will be 3 in by 4 in.

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3 years ago

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