3 years ago

HELP!!! will give brainliest!!!! i dont know how to do this

Mathematics

1 answer:

netineya [11]3 years ago

8 0

I'm attaching the solutions.. please let me know if you have any questions.

Hope it helps.

You might be interested in

Jonh's collection contains 20 books including 2 historical novels if John randomly selects a book to read what is the probility

Anarel [89]

Answer:2/20 or 20%

Step-by-step explanation:

7 0

3 years ago

Find the exact value of x

mario62 [17]

Answer:

Step-by-step explanation:

Remark

By manipulating parts of right angle triangles, you get 15/x = x/6

Solution

x^2 = 90

x = sqrt(90)

x = sqrt(3*3 * 2 * 5)

x = 3*sqrt(10)

4 0

3 years ago

Solve (2a^x + 1/2b^x)^2

alexira [117]

Answer:

$(4a^{2x} )+2a^{x} b^{x} + \frac{b^{2x} }{4}$

Step-by-step explanation:

The given equation is

$(2a^x + \frac{1}{2}b^{x} } )^2$ ...........(i)

we know the formula i.e.

$(a+b)^{2}= a^{2}+ b^{2} +2(a)(b)$

Applying this formula on equation (i) gives

= $(2a^{x} )^{2} +(\frac{1}{2})^{2}*(b^{x} )^{2} + 2 (2a^{x} )(\frac{1}{2} b^{x})$

Opening the sqaure gives and canceling $\frac{1}{2}$ with 2 gives us

= $4a^{2x} + \frac{1}{4}b^{2x} + 2a^{x}b^{x}$

= $(4a^{2x} )+2a^{x} b^{x} + \frac{b^{2x} }{4}$

which is the answer

6 0

3 years ago

Sarah spends $5 on a coffee from Starbucks each week. Which of the following integers represents her total spending after 5 week

Paraphin [41]

Answer:

25 dollars (B)

Step-by-step explanation:

$5 * 5 weeks is $25 in total

4 0

3 years ago

Read 2 more answers

By how much is 90125 more than 58478

lorasvet [3.4K]

Hey there!

First, we should subtract them.

90125 - 58478 = 31,647

90125 is 31647 more than 58478.

Hope this helps!

Have a great day!

8 0

3 years ago