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3 years ago

Which is a prime number 21 23 25 27 29

Mathematics

1 answer:

UNO [17]3 years ago

8 0

Answer:

29 :)

it is 29 because 29 falls under all the prime number characteristics

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What is this answer?????

aleksklad [387]

$50+x \leq 50$

Subtract 50 from both sides:

$50+x-50 \leq 50 - 50$

$x \leq 0$

hope this helps!

5 0

3 years ago

If three pounds of coffee costs $22.56, what is the cost of 1

NeX [460]

Answer:

$7.52 = 7 dollars and 52 cents.

Step-by-step explanation:

Given that three pounds of coffee = $22.56

1 pound of coffee = $22.56/3

Thus, we would have:

$\frac{22.56}{3} = 7.52$ .

A pound of coffee = $7.52

$7.52 = 7 dollars and 52 cents.

8 0

3 years ago

Where will these 2 lines intersect?<br><br> y = 2x + 7 and x = y + 4

defon

To find the intersecting point, you have to put the two formulas equal to each other
First isolate the same variable, in this case y
So y=x-4

Now we can say
2x + 7 = x - 4

Now solve for x

X= 3

Now fill this in in either one of the formulas

Y= 2 (3) + 7
Y= 13

So they’ll intersect at (3,13)

5 0

3 years ago

Read 2 more answers

Azmyne decided to spend 6 1/2 hours studying over the weekend. She spent 1 1/4 hours studying on Friday evening and 2 2/3 hours

nata0808 [166]

Answer: $2\ \dfrac{7}{12}\ \text{hours}$

Step-by-step explanation:

Given

Azmyne decided to study a total of $6\ \frac{1}{2}\ hours$

She spent $1\ \frac{1}{4}\ hours$ on Friday and $2\ \frac{2}{3}\ hours$ on Saturday

Hours spent on Friday

$\Rightarrow 1\ \frac{1}{4}=\frac{5}{4}\ hours$

Hours spent on Saturday

$\Rightarrow 2\ \frac{2}{3}=\frac{8}{3}\ hours$

She must study for

$\Rightarrow \dfrac{13}{2}-\dfrac{5}{4}-\dfrac{8}{3}\\\\\Rightarrow \dfrac{13\times6-5\times3-8\times4}{12}=\dfrac{78-15-32}{12}\\\\\Rightarrow \dfrac{31}{12}=2\ \frac{7}{12}\ \text{hours}$

4 0

3 years ago

Gena wants to estimate the quotient of –21.87 divided by 4.79. Which expression shows the estimate using front-end estimation?

allochka39001 [22]

-21/5 is the closest!!!

Hope this helps.

If you want me to explain why, just ask! :)

7 0

2 years ago

Read 2 more answers