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3 years ago

Help please

Mathematics

2 answers:

Lady_Fox [76]3 years ago

6 0

Answer:

ANSWER D IS THE OPTION

Step-by-step explanation:

MARK ME BRAINLIEST ❤❤

alexira [117]3 years ago

4 0

It is C!!!! good luck!!

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Perform the indicated operations. Express the result in scientific notation. (5.7 × 105) + (4.6 × 106) – (2.9 × 105)

alex41 [277]

Answer:

1.3905 × 10^4

Step-by-step explanation:

First you should multiply all the two numbers inside the parentheses

5.7 × 105=598.5

4.6 × 106=487.6

2.9 × 105=304.5

Now add the three numbers

598.5+487.5+304.5= 1390.5

scientific notation: Put the decimal after the first digit. To find the exponent count the number of places from the decimal to the end of the number.

the answer in scientific notation: 1.3905 × 10^4

8 0

3 years ago

Find the exact solution to the equation. 5^(6-2x) = 25

STatiana [176]

Answer:

x = 2

Step-by-step explanation:

Note that 25 = 5² , then

$5^{(6-2x)}$ = 5²

Since the bases on both sides are 5 then equate the exponents

6 - 2x = 2 ( subtract 6 from both sides )

- 2x = - 4 ( divide both sides by - 2 )

x = 2

3 0

3 years ago

Can someone please help me solve 91

Mashcka [7]

$3x^3+7x^2-20x=0\\
x(3x^2+7x-20)=0\\
x(3x^2-5x+12x-20)=0\\
x(x(3x-5)+4(3x-5))=0\\
x(x+4)(3x-5)=0\\
x=0 \vee x=-4 \vee x=\dfrac{5}{3}$

5 0

3 years ago

Read 2 more answers

(If A+B+C=180) tan 2A + tan 2B + tan 2C = tan 2A tan 2B tan 2C

zavuch27 [327]

Step-by-step explanation:

Hey there!

See explanation in picture.

Hope it helps....

7 0

2 years ago

Joyce has 41 feet of chicken wire. There is 5 times that length of chicken wire in the

Kipish [7]

Answer:

205

Step-by-step explanation:

41 multiplied by 5 = 205

7 0

2 years ago