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Arlecino [84]
3 years ago
8

Solve − 2 x − 10 y = 10

Mathematics
2 answers:
skad [1K]3 years ago
8 0

Answer:

x=-10 and y=1

Step-by-step explanation:

-2(-10)=20

-10(1)=-10

20-10=10

Mice21 [21]3 years ago
5 0

Step 1: isolate the "x" by bring everything else to the other side

-2x-10y=10\\-2x= 10 +10y\\x= -5 -5y

Step 2: The equation found above is the equation x is equal to so you plug it into all the x's the original equation to find y

-2 (-5 - 5y) -10y = 10

10 + 10y -10y = 10\\10y - 10y = 0\\0y = 0\\y = 0

Step 3: Plug in your newly found y (0) into the original equation to find the x

-2x- 10(0) = 10\\-2x - 0 = 10\\-2x =10\\x = -5

Hope this helped! Let me know if there is anything I need to clarify or explain more in depth!

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The length of a human pregnancy is normally distributed with a mean of 272 days with a standard deviation of 9 days (Bhat &
VARVARA [1.3K]

Answer:

Less than 264.44 days would be for the shortest 20%

Step-by-step explanation:

Given that X, the length of a human pregnancy is normally distributed with a mean of 272 days with a standard deviation of 9 days (Bhat & Kushtagi, 2006).

X is N(272, 9)

Corresponding Z score would be for any x

z=\frac{x-272}{9}

We have to find out the shortest 20%

Corresponding z score i.e. z score 20th percentile is given by

-0.84

corresponding x score is

272-0.84*9\\= 264.44

Less than 264.44 days would be for the shortest 20%

8 0
3 years ago
Round 9,909.937 to 2 decimal places
babymother [125]
9,909.94 that is the answer
3 0
4 years ago
Which is equivalent
Llana [10]
A. 1/3 is equivalemt to 0.3
5 0
4 years ago
1. The formula for the volume of a cube is s³. If you have a cube that has a side length,s,
Vesna [10]

Answer

1.8/125 cm³

2. 13

3a. x³-17

3b. 3x-5

5. A) Power

Step-by-step explanation:

1. (2/5)³= 2/5 * 2/5 * 2/5

= 4/25 *2/5

=8/125

2. b³+(10-a)

= (2)³ + (10-5)

=(2*2*2) + (5)

= 8 + 5

= 13

3a. a number cubed = x³

seventeen  less than = -17

3b. three times a number = 3x

five = 5

5. product is when two values are multiplied (13 and 3+x)

6 0
3 years ago
Read 2 more answers
In the diagram, ABCD is a parallelogram. Write an argument to support the claim that <br> M x = M y
harkovskaia [24]

The angles m∠x = m∠y because alternate interior angles are equal.

<h3>What is a parallelogram?</h3>

A parallelogramis a quadrilateral in which opposite sides are equal and parallel to each other.

The opposite angles are also congruent, whereas consecutive interior angles are supplementary.

In the quadrilateral ABCD:

m∠x = m∠y (alternate interior angles are equal)

The angles m∠x = m∠y because alternate interior angles are equal.

Find out more on parallelogram at: brainly.com/question/970600

4 0
2 years ago
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