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1 year ago

Write 640 g as a fraction of 4.8 kg. Give your answer in its simplest form,

Mathematics

1 answer:

vitfil [10]1 year ago

7 0

Answer:

Step-by-step explanation:

640g=640g

4.8kg=4800g

640g/4800g=2/15

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Which two points are on the graph of y=x-4

Ann [662]

The answer is C because since the answer is 4 and if u look at c it would equal to 4.

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2 years ago

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Claire makes hot coco with 2 cups of milk with 5 tablespoons of coco. How many tablespoons of coco would he need for 1 cup of mi

postnew [5]

Answer:

2.5

Step-by-step explanation:

5/2=2.5

half of 2 is 1 so for 1 cup of coco has 2.5 tbs of coco.

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2 years ago

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What is the elimination to this solution i think its b

Blababa [14]

EXPLANATION:

To get the solution of the simultaneous equation, using the elimination method:

We will have the following steps:

Step 1:

Write the two equations:

$\begin{gathered} y=-\frac{1}{2}x+3 \\ y=-\frac{7}{2}x-3 \end{gathered}$

Step2: Subtract the two equations:

$\begin{gathered} y-y=-\frac{1}{2}x-(-\frac{7}{2}x)+3-(-3) \\ 0=-\frac{1}{2}x+\frac{7}{2}x+6 \\ \end{gathered}$

Step 3: Simplify the expression

$\begin{gathered} 0=3x+6 \\ 3x=-6 \\ x=-\frac{6}{3} \\ x=-2 \end{gathered}$

Step 4: Substitute x=-2 into the formula:

$\begin{gathered} y=-\frac{1}{2}x+3 \\ y=-\frac{1}{2}\times-2+3 \\ y=1+3 \\ y=4 \end{gathered}$

Therefore, the answer is

$(-2,4)$

Thus,

Option B is correct

5 0

6 months ago

Find h(x) +g(x). h(x)=x^2+6x and g(x)=-2x-3

AURORKA [14]

Answer:

$h(x) + g(x) = x^{2} + 4x - 3$

Step-by-step explanation:

h(x) + g(x) = $(x^{2} + 6x) + (-2x - 3)$

$x^{2} + 4x - 3$

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2 years ago

Lie is solving the quadratic equation by completing the square.

wel

we have

$3x^{2} + 18x - 8 = 0$

Step $1$

Move the constants to the right side

$3x^{2} + 18x = 8$

Step $2$

Factor 3 out of the variable terms

$3(x^{2} + 6x) = 8$

Step $3$

Add $27$ to both sides of the equation

$3(x^{2} + 6x+9) = 8+27$

$3(x^{2} + 6x+9) = 35$

Step $4$

Write the polynomial as a binomial squared

$3(x+3)^{2} = 35$

therefore

the answer is

Factor 3 out of the variable terms.

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2 years ago

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