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3 years ago

Can Someone Help With All Of Them Thxs 20pts And Will Give BRAINY

Mathematics

2 answers:

cupoosta [38]3 years ago

8 0

1. A

2. D

3. C

4. 900

5. 120

spayn [35]3 years ago

5 0

In the first attachment your answer is A.

In the second attachment your answer is D.

In the third attachment your answer is D.

In the fourth attachment your answer is 90cm

In the fifth attachment your answer is 98<span />

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What is the value of x?

hram777 [196]

Sum of angles of a triangle = 180°

91 + 10x - 4 + 8x +3 = 180
18x + 90 = 180
18x = 90
x = 5°

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What does point A represent on the graph?

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d. Jordan needs 1 and one-half cups of diced chicken for 3 salads

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The sum of two squares of two consecutive natural numbers is 41.Find the numbers

Arada [10]

<h3><u>AnswEr</u><u> </u><u>:</u></h3>

The 2 unknown numbers are 4 and 5 .

<h3><u>Expla</u><u>nation</u><u> </u><u>:</u></h3>

Let the numbers be x and x + 1.

From the given information,

$\dashrightarrow\sf \ \ \ x^2 + (x + 1)^2 = 41 \\ \\ \\$

$\dashrightarrow\sf \ \ \ 2 {x}^{2} + 2x + 1 = 41 \\ \\ \\$

$\dashrightarrow\sf \ \ \ 2 {x}^{2} + 2x + 1 - 41=0 \\ \\ \\$

$\dashrightarrow\sf \ \ \ {x}^{2} + x - 20 = 0 \\ \\ \\$

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$\dashrightarrow\sf \ \ \ { \underline{ \boxed{ \bf{ \red{x = - 5,4}}}}} \ \bigstar \\ \\$

But, as we know -5 is not a natural number,

Hence, x = 4 .

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3 years ago

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Pls help pls ill give u a braniest if you help me

alexandr1967 [171]

Answer:

Step-by-step explanation:

y = (x + 1)/x

xy = x + 1

xy - x = 1

x(y - 1) = 1

x = 1/(y - 1)

Interswitch variables

f^-1(x) = 1/(x - 1)

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4 years ago

The pair of values below is from a direct variation. Find the missing number.

NISA [10]

Answer:

The answer is 2.

2 since 6/4=3/2

Step-by-step explanation:

Since your relation is a direct variation then the points on your line are of the form y=kx where k is the constant of variation (also called constant of proportionality)

If y=kx then y/x=k.

So all the points in this relation since it is a direct variation will be equal to y-coordinate/x-coordinate.

So we are going to solve this proportion:

$\frac{6}{4}=\farc{3}{x}$