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nirvana33 [79]
3 years ago
15

Simplify the expression (7+5)+4 x 13-2 Show your work

Mathematics
2 answers:
Vlada [557]3 years ago
7 0

Answer: 62

Step-by-step explanation:

(7+5)+4 x 13-2

12+52-2

62

alex41 [277]3 years ago
6 0

Answer:

7+5 first because of pemdas

7+5 = 12

12+4 x 13-2

then  4 x 13

4 times 13 = 52

12+52-2

then add

12+52 = 64

64-2

then subtract

64-2 = 62

Step-by-step explanation:

Pemdas

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Given Δ Q R S ≅ Δ T U V , Q S = 3 v + 2 and T V = 7 v − 6 , find the length of QS and TV.enter your answer and show all the step
erastova [34]

Answer:

Therefore length of QS and TV is 8 units.

Step-by-step explanation:

Δ Q R S ≅ Δ T U V ,

Q S = 3 v + 2 and

T V = 7 v − 6

To Find:

QS = ?

TV = ?

Solution:

Δ Q R S ≅ Δ T U V .........Given

If two triangles are congruent  then the Corresponding Parts of Congruent Triangles are Congruent.

QS ≅ TV   ..........................CPCTC

Substituting the values we get

3v+2=7v-6\\\\7v-3v=2+6\\\\4v=8\\\\\therefore v=\dfrac{8}{4}\\\\v=2

Substituting ' v ' in QS and TV we get

QS=3\times 2 +2=8\\and\\TV=7\times 2-6=8

Therefore length of QS and TV is 8 units.

3 0
3 years ago
A fish descends at a rate of 18 inches per second. What is the depth of the fish after 12 seconds?
Citrus2011 [14]

Answer:

216 inches/ 18 feet

Step-by-step explanation:

Multiply the descension by the number of seconds.

18*12 = 216 inches, or 18 feet.

6 0
3 years ago
Read 2 more answers
*Need help asap* 25 points
Evgen [1.6K]

Answer:

y = x + 1

See below.

Step-by-step explanation:

To find the slope intercept form of a line, calculate the slope first.

m = \frac{y_2-y_1}{x_2-x_1} =\frac{4-2}{3-1}=\frac{2}{2} = 1

So the slope is 1. Substitute m = 1 and (1,2) into the point slope form. Then simplify to slope intercept form.

y - 2 = 1 (x - 1)

y - 2 = x - 1

y = x + 1

8 0
3 years ago
What does a Riemann sum represent?
SashulF [63]
A Riemann sum approximates the area of a certain region. Usually it's used in calculus, where you use the Riemann sum to approximate the area a curve instead of using an integral to find the exact value, since that tends to take a lot more time and effort.
3 0
3 years ago
Please help! Please!!
Elza [17]
You can proceed like this,

650 kb for a pic
and 2200kb for song ( 650 + 1550)

total= 18150 kb  and 16 files

so, 650 kb each in both pic and song = 16 * 650= 10400

remaining = 18150-10400 = 7750 , which is contributed by  additional 1550 of songs that is  
7750/1550 = 5

so, a total of 5 songs and 11 pictures were  sold..

hope it helped
8 0
3 years ago
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