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Ket [755]
3 years ago
5

Which answer shows 0.05 written in scientific notation?

Mathematics
2 answers:
Advocard [28]3 years ago
8 0

Answer:

B

Step-by-step explanation:

Galina-37 [17]3 years ago
7 0

Answer:I think it’s B

Step-by-step explanation:

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Betty saves $161 a month. She saves $141 less each month than Jack. How much will jack save in 2 years?
tresset_1 [31]

Given that Betty saves $161 per month which is $141 less than Jack per month. find the amount that Jack will save in 2 years.

First, find how much Jack saves. We can do this buy adding 141 to 161 since Betty saves 141 less meaning we can reverse it by adding it.

141 + 161 = 302

Now, that we know how much Jack saves per month.

Then, we have to find out how many months are in 2 years.

We already know that there is 12 months in a year, so for 2 years, we can simply multiply by 2.

12 x 2 = 24

Therefore, there are 24 months in two years.

Lastly, multiply 24 months by the amount that Jack saves to get the amount in total.

24 x 302 = 7,248

Thus, Jack will save approximately $7,248 in 2 years.

6 0
3 years ago
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Find the sum of -3x^2-4xy+2y^2
Zielflug [23.3K]
Here-

Equation at the end of step  1  :
 
 ((9 • (x2)) -  4xy) -  2y2 Step  2  :

Equation at the end of step  2  :

  (32x2 -  4xy) -  2y2Step  3  :

Trying to factor a multi variable polynomial :
 
3.1    Factoring    9x2 - 4xy - 2y2 

Final result :
  9x2 - 4xy - 2y2
3 0
3 years ago
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Please help!! A scale on a hiking map shows at 3 inches represents 1.25 miles. What number of inches on the map represents 10 ac
Semenov [28]

Answer:

24 miles

Step-by-step explanation:

Set up a proportion:

3 inches/1.25 miles = x inches/10 miles

Then cross multiply

30=1.25x

Divide 1.25 on both sides

x=24

5 0
3 years ago
Can somebody help me solve this ?
77julia77 [94]

Step-by-step explanation:

volume of sphere = 288

based on formula, V = 4/3πr³

288 = 4/3(3.14)r³

288 = 4.187(r³)

r³ = 288/4.187

r =

\sqrt[3]{68.78}

r = 4.09

= 4.1

5 0
3 years ago
Brianna went on a trip to the art museum and sketched a scale drawing of a rectangular wall mural. She used a scale factor of 0.
zheka24 [161]

Answer:

the wall lenght is 90

Step-by-step explanation:

you know the scale factor is 1/5 so you take the lenght of the drawing and multipy it by 5.

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3 years ago
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