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3 years ago

Is the answer correct in this question

Mathematics

2 answers:

netineya [11]3 years ago

6 0

Yes the answer you put is correct

Nadya [2.5K]3 years ago

3 0

Answer:

Yeah, you got the answer right.

Step-by-step explanation:

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How many solutions 9x +2y =9 -3x + y=2

Tju [1.3M]

Answer:

Step-by-step explanatio

6 0

3 years ago

NEED HELP FAST PLEASE!!!

Vinil7 [7]

Answer:

I can't see it that good can you text it in please

Step-by-step explanation:

6 0

3 years ago

The average mass of an ant is approximately 3 × 10 − 3 grams. The average mass of a giraffe is approximately 2 × 10 3 kilograms.

Vika [28.1K]

Given that average mass of an ant $= 3 \times 10^{-3}$ grams.

Given that average mass of a giraffe $= 2 \times 10^{3}$ Kilograms.

Now we have to find about how many times more mass does a giraffe have than an ant. Before carring out any comparision, we must make both units equal.

Like convert kilogram into gram or gram into kilogram.

I'm going to convert kilogram into gram using formula

1 Kg = 1000 g

So the average mass of a giraffe $= 2 \times 10^{3} *10^3$ grams.

Now we just need to divide mass of giraffe by mass of ant to find the answer.

$\frac{2 \times 10^{3} *10^3 }{3 \times 10^{-3} }$

$= \frac{2 \times 10^{3} *10^3 *10^{3}}{3 }$

$= \frac{2 \times 10^{3+3+3}}{3 }$

$= \frac{2 \times 10^9}{3 }$

$= \frac{2}{3 } \times 10^9$

=666666666.667

Hence final answer is $\frac{2}{3 } \times 10^9$ which is approx 666666666.667.

3 0

3 years ago

Jimmy has a diecast metal car that is a scale model of an actual race car. If the actual length of the car is 10 feet 6 inches a

kirill115 [55]

The scale factor would be -8 because...

126 inches / 7 inches = 8 inches.

Because the car is bigger than the scale, it would be a negative scale factor.

8 0

3 years ago

Find the slope of each line.

Arisa [49]

Answer:

(X1,Y1)=(8,4)

(X2,Y2)=(1,2)

m=(Y2-Y1)/(X2-X1)

m=(2-4)/1-8)= -2/-7

=2/7

Ans B

5 0

2 years ago