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hjlf
3 years ago
9

The expression below shows a number in

Mathematics
1 answer:
Marrrta [24]3 years ago
3 0

Answer:

20.397

Step-by-step explanation:

The expression below shows a number in expanded form:

(2\times 10) + \left(3\times  \dfrac{1}{10}\right)+ \left(9 \times \dfrac{1}{100}\right) +\left (7 \times \dfrac{1}{1,000}\right)

This expanded form tells you that the number has

  • 2 at tens place;
  • 3 at tenths place;
  • 9 at hundredths place;
  • 7 at thousandths place.

Hence, this number is 20.397

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A system of equations is graphed on a coordinate plane.
zavuch27 [327]

Answer:

Option C is correct.

(1, 4)

Step-by-step explanation:

A system of equation is given :

2x + 3y =12                 .....[1]

4x + 2y =10                 .....[2]

Multiply equation [1] by 2 both sides we get;

2(2x+3y) = 2(12)

Using distributive property i,e a \cdot(b+c) = a\cdot b+ a\cdot c

4x + 6y = 24                           .....[3]

Subtract equation [2] from [3] to eliminate x we get;

4x + 6y - 4x - 2y= 24 - 10

Combine like terms;

4y = 14

Divide both sides by 4 we get;

y = 3.5

Substitute the value of y in equation [1] we have;

2x + 3(3.5) =12

2x + 10.5 = 12

or

2x = 12 -10.5

2x = 1.5

Divide both sides by 2 we get;

x = 0.75

Solution = (0.75 , 3.5)

Best estimate solution =  (1, 4)

Therefore, the best estimate solution of the given system of equation is, (1, 4)

8 0
4 years ago
Identify the constant term in this expression 7p - 3p + 9 + x
ANEK [815]

Answer:

the constant in this expression is 9 because it is not a coefficient of any variable

7 0
3 years ago
Read 2 more answers
A cotton candy vendor has 9 cones of blue cotton candy to sell. If the blue cotton candy is 25% of the total number of cones, ho
pychu [463]
9 = 25%
25% * 4 = 100%
9 * 4 = 36
There are 36 cotton candy cones in total.
6 0
3 years ago
Read 2 more answers
Questions 1-14of 14
matrenka [14]
Answer is b because the veritable is just 1 but the 4 stays the same
6 0
3 years ago
At the city museum, child admission is $5.60 and adult admission is $9.30. On Sunday, 141 tickets were sold for a total sales of
IrinaK [193]

x = child tickets

y = adult tickets

x + y = 141

5.60x + 9.30y = 974.60

y = 141 - x

5.60x + 9.30 ( 141 - x ) = 974.60

5.60x + 1311.3 - 9.30x = 974.60

-3.70x + 1311.3 = 974.60

-3.70x = 974.60 - 1311.3

-3.70x = -336.7

x = 91

91 child tickets were sold that day

5 0
2 years ago
Read 2 more answers
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