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Ivanshal [37]
3 years ago
5

A computer tech charges a $30 initial fee to come and fix a household computer plus $15 per hour. Which of the following linear

equations does this follow?
Mathematics
1 answer:
saveliy_v [14]3 years ago
3 0

Answer

45$

Step-by-step explanation:

if you only needs to be there for one hour it is for 45

if heis there for more hours then add 15 to the cost for every hou

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Given the same triangle from part C, if line segment AB measures 12 inches and line segment BC measures 5 inches what is the mea
exis [7]

Answer:

4.615 in

Step-by-step explanation:

Triangle ABC and ABD are similar because they have two corresponding congruent triangles that is right angle and ∠A. Triangle ABC and BCD are similar because they have two corresponding congruent triangles that is right angle and ∠C. Therefore Triangle ABC, ABD and BCD are similar. Since they are similar, then their sides are proportional in length.

In triangle ABC, using Pythagoras theorem:

AC² = AB² + BC²

AC² = 12² + 5²

AC² = 144 + 25 = 169

AC² = 169

AC = √169 = 13 in

Using similar triangle for ΔABC and ΔABD:

\frac{AC}{AB}= \frac{BC}{BD} \\\\\frac{13}{12}=\frac{5}{BD}\\\\BD=\frac{12*5}{13}\\ BD=4.615\ in

5 0
3 years ago
If s(x) = x - 7 and t(x) = 4x2 – x + 3, which expression is equivalent to<br> to (t•s )(x)?
serg [7]

Answer:

(t•s )(x) = 4x^3 - 29x^2 + 10x - 21

Step-by-step explanation:

(t•s )(x) is the product of functions s and t:

(t•s )(x) = ( 4x^2 - x + 3)(x - 7).  Applying the Distributive Property of Multiplication, we get:

(t•s )(x) = 4x^3 - 28x^2 - x^2 + 7x + 3x - 21

which needs to be simplified by combining like terms:

(t•s )(x) = 4x^3 - 29x^2 + 10x - 21

7 0
3 years ago
A baker is using two different cake molds. A round mold with diameter 8in and height 2in, and a rectangular mold with dimensions
miv72 [106K]

Answer:   The cake density is 0.454 ounce per cubic inch and the fair price is $0.20 per ounce.  What should be a fair price for each cake?

Step-by-step explanation:The cake density is 0.454 ounce per cubic inch and the fair price is $0.20 per ounce.  What should be a fair price for each cake?

8 0
3 years ago
Help me with this question please.
Anna007 [38]

Answer:

9(2p-4)

Step-by-step explanation:

Took the test, Hopefully this helps

4 0
3 years ago
Read 2 more answers
what's the least positive integer that has the same number of positive factors as 175? I know there are 6 positive factors. But
GarryVolchara [31]
How many positive factors does it have?
175=1*5*5*7
it depends on whether you count 1 or not
how many are there
3 or 4

same number of positive factors
didn't say the factors had to be different
1*1*1*1=1
answer is 1
8 0
3 years ago
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