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2 years ago

Graph the equation below by plotting the y-intercept and a second point on the line. Y=3x-3

Mathematics

1 answer:

Zinaida [17]2 years ago

8 0

y-intercept is -3 so it must pass the vertical line -3.

Now start from point (0,-3) and rise up by 3, then go right by 1 since the slope is 3/1 or 3.

It should look like this:

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Ann increased the quantities of all the ingredients in a recipe by 60\%60%60, percent. She used 808080 grams (\text{g})(g)left p

kari74 [83]

Answer:

50 grams

Step-by-step explanation:

Let the amount of cheese required by the recipe be "x"

Ann increased 60% from original amount and then used up 80 grams. Thus:

Original, increased by 60%, became 80

This translated to algebraic equation would be:

x + 0.6x = 80

Note: 60% = 60/100 = 0.6

So we can solve the above equation for "x" and get our answer. Shown below:

$x + 0.6x = 80\\1.6x=80\\x=\frac{80}{1.6}\\x=50$

Hence,

the recipe required 50 grams of cheese

6 0

2 years ago

A shipping company charges $6 to skip a package that weighs up to 1 pound and $2 for each additional pound or portion of a pound

navik [9.2K]

Step-by-step explanation:

A shipping company charges $6 to ship a package that weighs up to 1 pound and $2 for each additional pound or portion of a pound.

lets make an assumption that the total weight of the shipment is x pound and cost for shipping is y.

the shipping company charges $6 for the first pound.

Up to now the charge is y=6

After 1 pound, i.e for the remaining (x-1) pounds, they charge $2 per pound.

So, the total charge will be, y=6+2(x-1)

weight is always starting from zero as there is no negative weight.so X>0

so the equation is 6(2x-1), where X is more than 0

8 0

3 years ago

Read 2 more answers

Which is a valid proportion?

Bumek [7]

Answer:

3/4=21/28

Step-by-step explanation:

21/28÷7/7=3/4

8 0

3 years ago

Use square roots to solve the equation x ^ 2 = - 25 over the complex numbers. Select any solutions that apply A.-5 B. -5i C. -5i

Andre45 [30]

$\begin{gathered}\\ \sf\longmapsto x^{2}=-25\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto x^{2}=±5i\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto x = - 5 i\\ x = 5i\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto x_{1} = - 5i \: , x_{2} = 5i\end{gathered}$

8 0

2 years ago

Read 2 more answers

Calculate m∠CBD and m∠ABC, what is the value of x? Enter your answer in the box.

Nata [24]

Answer:

CBD= 30

ABC= 90-30 = 60

x + 5 = 60

x= 55

Step-by-step explanation:

8 0

2 years ago