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3 years ago

Use the rectangle below to answer both part 1 and part 2

Mathematics

1 answer:

sweet [91]3 years ago

5 0

Answer:

i believe the equation is x = 48 ÷ 4 - 5

and x = 7

Step-by-step explanation:

you will need to take the are devided by width, because area is length times width. then subtract 5.

48÷4=12

12-5=7

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What is the answer to <br> 72 divide 0.75

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Answer:

Step-by-step explanation:

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3 years ago

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In ΔJKL, l = 860 inches, j = 920 inches and ∠K=126°. Find ∠L, to the nearest degree.

fomenos

Answer:

Step-by-step explanation:

JKL= ABC, jkl=abc

1.) use law of sines to find k.

$c^{2} =a^{2} +b^{2} -2abCosC$

$c=\sqrt{920^{2} +860^{2} -2(920)(860)cos(126) } = 1586.225515$

2.) use law of cosines to find L

$\frac{a}{sinA} =\frac{b}{sinB} =\frac{c}{sinC}$

plug in for b and c: $\frac{860}{sinB} =\frac{1586.225515}{sin126}$

cross multiply: $\frac{1586.23sinB}{1586.23} =\frac{860sin126}{1586.23}$

$sinB= 0.4386227612\\B=sin^-1(0.4386227612)= 26.01604086\\$

L=26

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3 years ago

How many 1 over 8 isin 1 whole and how many 1/8 are in 3 whole

Black_prince [1.1K]

You divide one by 1/8 to get the first answer.
It is obvious there are 8 pieces of eight in one whole.
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2 years ago

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Look at the function f(x) = −x + 5. Which of the following describes the domain and range of the function and its inverse?

ASHA 777 [7]

Answer:

The inverse is g(x)=-x+5.

Both f and g have domain and range all real numbers.

In interval notation that is $(-\infty,\infty)$

Step-by-step explanation:

f(x)=-x+5 is a linear function.

Since isn't f(x)=constant then it is diagonal so this means the range is all real numbers.

For any linear function, the domain will be all real numbers.

So to find the inverse of y=-x+5, you interchange x and y and resolve for y.

y=-x+5

(interchange)

x=-y+5

(solve for y)

Subtract 5 on both sides:

x-5=-y

Multiplying both sides by -1:

-x+5=y

So the inverse is g(x)=-x+5. To find find the domain and range of the inverse function given you already did it for the original function, the sets are swapped. The sets were the same here because they were both all real numbers.

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3 years ago

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Write the numbers in each circle that is described by the attribute written outside the circle. Numbers in the overlapping regio

exis [7]

The attached image represents the completed Venn diagrams

<h3>How to complete the circles?</h3>

<u>Diagram 1</u>

We have:

Multiples of 3 and Multiples of 10

When the sets are populated, we have:

Multiples of 3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30

Multiples of 10 = 10, 20, 30

Both = 30

Next, we complete the circles using the above data values

See attachment 1

<u>Diagram 2</u>

We have:

Multiples of 2, Multiples of 3 and Multiples of 5

When the sets are populated, we have:

Multiples of 2 = 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30

Multiples of 3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30

Multiples of 5 = 5, 10, 15, 20, 25, 30

Multiples of 2 and 3 = 6, 12, 18, 24 and 30

Multiples of 2 and 5 = 10, 20 and 30

Multiples of 3 and 5 = 15 and 30

All = 30

Next, we complete the circles using the above data values

See attachment 2