Ms.stoner purchased a new computer for $1,150 at the Apple Store.if sales tax is 7.5%,what was the total of her purchase?

Answers

Answer 1
Answer: There is an additional 7.5% added to her purchase.
$1,150(1)+$1,150(7.5%) = [factor] $1,150(100%+7.5%) = $1,150(107.5%)= $1,150(1.075) =$1236.25
Answer 2
Answer:

Answer:

Total=$1236.25

Step-by-step explanation:


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Neli needs to cut 3 long boards into 9 smaller boards.The first is 10 ft, the second is 16 ft, and the third is 18 ft. The table lists the smaller boards Neli needs use a drawing to show how he can devide the 3 boards so there is no waste.

Answers

4.8 ft because you have to add up all the board lengths and then you divide by 9

Please help! Triangle ABC is translated by the rule (x + 1, y + 1) and then dilated by a scale factor of 2 centered at the origin. Which statement describes the properties of triangles ABC and A''B''C'' after the transformations?A) ∠C and ∠C'' are congruent after both the translation and the dilation.
B) ∠C and ∠C'' are congruent after the dilation, but not after the translation.
C) segment AC and segment A double prime C double prime are congruent after both the translation and the dilation.
D) segment AC and segment A double prime C double prime are congruent after the dilation, but not after the translation.

Answers

Answer:

A

Step-by-step explanation:

1) Translated figures are congruent ones, so \bigtriangleup ABC\cong \bigtriangleup A'B'C', one unit to the right and one up in comparison to \bigtriangleup ABC\cong \bigtriangleup ABC.

2)Since \bigtriangleup A''B''C''  was dilated with a scale factor of two then It's a similar figure to  \bigtriangleup ABC. Similar figures have congruent angles and different sizes.

Hence, ∠C≅∠C"

How to solve 3+5 (c+3)=-17

Answers

3 + 5(c + 3) = -17

First, subtract 3 from both sides. / Your problem should look like: 5(c + 3) = -17 - 3
Second, simplify -17 - 3 to get -20. / Your problem should look like: 5(c + 3) = -20
Third, divide both sides by 5. / Your problem should look like: c + 3 =  -(20)/(5)
Fourth, simplify (20)/(5) to 4. / Your problem should look like: c + 3 = -4
Fifth, subtract 3 from both sides. / Your problem should look like: c = -4 - 3
Sixth, simplify -4 - 3 to get -7. / Your problem should look like: c = -7

Answer: c = -7

3+5(c+3)=−17

3+(5)(c)+(5)(3)=−17(Distribute)

3+5c+15=−17

(5c)+(3+15)=−17(Combine Like Terms)

5c+18=−17

Subtract 18 from both sides.

5c+18−18=−17−18

5c=−35

Divide both sides by 5.

5c/5=−35/5

c=−7

Please help me, this is quite hard

Answers

d=√((x_2-x_1)^2+(y_2-y_1)^2)\n\nd=√((-7-(-1))^2+(6-(-2))^2)\nd=√((-6)^2+(8)^2)\nd=√(36+64)\nd=√(100)\nd=10

Henry and Samual volunteer at the daycare center and he worked three hours for every two hours Samual works if the two boys together work 20 hours one month how many hours does henry work

Answers

Sorry if this isn't clear It's a ratio question. Henry does 3 hrs for every one of Samuel's 2hrs, the ratio is 3:2 The total number of parts is 5 and to work out one part, divide 20 by 5 =4 So if Henry does 3hrs for Sam's 2hrs, he does 4 x 3 to get his part of the total 20hrs 4 x 3 = 12 And Sam does 2hrs, he does 4 x 2 = 8 So Henry does 12hrs a month

What is a=2x+6xz solve for x

Answers

To solve for x, we must first isolate that term!
a = 2x + 6xz ------> Factor out x
a = x(2+6z) ------> Now divide by (2+6z) to leave x by itself! This will give you an answer of
x =  (a)/(2 + 6z)
I hope this helps!