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3 years ago

3x2+5y for x = 4 and y = 2. Need a right answer ASAP

Mathematics

1 answer:

oee [108]3 years ago

7 0

Answer:

It depends of what the equation is...

Step-by-step explanation:

If your equation is 3x2 (3x times 2) then the solution would be:

3(4)(2) + 5(2)= 34

If your equation is 3x + 2 + 5y, then the solution would be:

3(4) + 2 + 5(2) =24

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f a rectangle has a perimeter of 70, a length of x and a width of x - 9, find the value of the length of the rectangle.

trasher [3.6K]

$( x + (x - 9)) \times 2 = 70 \\( 2x - 9) \times2= 70 \\ 4x - 18 = 70 \\ 4x = 70 + 18 = 88$
$x = \frac{88}{4} = 22$
the length is 22

and the width is
22-9=17

good luck

3 0

3 years ago

PLS HELP ASAP I WILL GIVE BRAINLIEST

Olin [163]

Answer:

Step-by-step explanation:

Scott is getting balloons for his uncle's birthday party. He wants each balloon string to be 6 feet long. At the party store, string is sold by the yard. If Scott wants to get 59 balloons, how many yards of string will he need?

1 foot =

yard please help :(

8 0

3 years ago

Find the slope of the line passing through the points (5,7) and (-4,2).

Andre45 [30]

Your answer is A!

⭐ Please consider brainliest! ⭐

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6 0

3 years ago

Read 2 more answers

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ki77a [65]

Answer:

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Step-by-step explanation:

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3 0

3 years ago

Two dance teams, the Roses and the Tulips, are perfectly matched so that their chances of winning are both set at 50%. What is t

shtirl [24]

Answer:

Step-by-step explanation:

Step 1

The fist step is to define the probabilities.

The events are independent from each other. Each team wins with probability $\frac{1}{2}$ and looses with probability $\frac{1}{2}.$ Let $P(W_R)$ be probability that Roses win and $P(L_R)$ be the probability that Roses loose.

Step 2

The second step is to calculate the probabilities by multiplying the probabilities with the first 3 terms in the product being the probability of a win and the last term being the probability of a loss.

The calculation is shown below,

$P(W_R)\times P(W_R)\times P(W_R)\times P(L_R)=\frac{1}{2} \times \frac{1}{2} \times\frac{1}{2} \times\frac{1}{2} =\frac{1}{16}$

Step 3

The last step is to convert this probability into a percentage. Converting this probability to a percentage is done as shown below,

$\frac{1}{16} \times 100\%=6.25\%.$

Step 4

The next step is to round down the percentage . The value of 6.25% rounded down is 6%. The correct answer is 6%.

3 0

3 years ago