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2 years ago

13

Help me pleaseeeeeeeeeeee

2 answers:

JulsSmile [24]2 years ago

7 0

Answer:

3.643 X 10 -1

Step-by-step explanation:

oee [108]2 years ago

4 0

Answer:

3.643 × 10 ^− 1

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the

10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

3.643 × 10 ^− 1

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A diameter of a circle has enpoints (-2, 10) and (6, -4) in the standard (x, y) coordinate plane. What is the center of the circ

wlad13 [49]

Answer:

The center of the circle is $C(x,y) = (2, 3)$ .

Step-by-step explanation:

The center of the circle is the midpoint of the segment between the endpoints. We can determine the location of the center by this vectorial expression:

$C(x,y) = \frac{1}{2}\cdot R_{1}(x,y)+ \frac{1}{2}\cdot R_{2}(x,y)$ (1)

Where:

$C(x,y)$ - Center.

$R_{1} (x,y)$ , $R_{2} (x,y)$ - Location of the endpoints.

If we know that $R_{1} (x,y) = (-2,10)$ and $R_{2} (x,y) = (6,-4)$ , then the location of the center of the circle is:

$C(x,y) = \frac{1}{2}\cdot (-2,10)+\frac{1}{2}\cdot (6,-4)$

$C(x,y) = (-1, 5) + (3, -2)$

$C(x,y) = (2, 3)$

The center of the circle is $C(x,y) = (2, 3)$ .

8 0

3 years ago

Shelly has a roll of fabric and decides to make some scarves for her friends. The roll contains 623

swat32

Total length of the fabric is $6\frac{2}{3} =\frac{20}{3}$

We need to find the number of scarves can she make if she needs 5/6 of a yard for each scarf.

Let she needs x scarves. So, ATQ

Hence, she can make 8 scarves.

5 0

2 years ago

Which of the two-dimensional cross sections listed below could be created by cutting a cube with a plane?

Anna71 [15]

Rectangle and square

6 0

2 years ago

What does x equal ? i’ve been confused on this same question for 20 min

slega [8]

Answer:

45*

Step-by-step explanation:

This is because angles of a triangle like this need to be 135* total. So 135/3 is 45*

7 0

3 years ago

Read 2 more answers

What is the value of x? enter your answer in the box x=

xz_007 [3.2K]

Answer:

$x = 20$

Step-by-step explanation:

Given

The attached triangle

Required

Find x

The value of x will be found using the following equivalent ratios:

$11 : 121 = 10 : 5x + 10$

Convert to fraction

$\frac{11}{121} = \frac{10}{5x + 10}$

Factorize:

$\frac{11}{121} = \frac{5*2}{5(x + 2)}$

Simplify

$\frac{1}{11} = \frac{2}{x + 2}$

Cross Multiply

$1 * (x + 2) = 2 * 11$

$x + 2 = 22$

Collect Like Terms

$x = 22-2$

$x = 20$

4 0

3 years ago