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lys-0071 [83]
3 years ago
13

Combine like terms to simlify the expression: 2/5k—3/5+1/10k

Mathematics
2 answers:
Umnica [9.8K]3 years ago
5 0
(4/10)k + (1/10)k -3/5

(5/10)k - 3/5

(1/2)k - 3/5 is the answer to the question
Aleks04 [339]3 years ago
4 0
Change the first fraction to 4/10K

THen 


4/10K - 3/5 + 1/10k = 5/10k - 3/5

Simplify 5/10k

1/2k - 3/5 is your answer
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13 is 26 percent of what number
Nataliya [291]
We have an equation: 13/?= 26/100

Cross multiply:
26*?= 13*100
⇒ ?= 13*100/26= 50

13 is 26% of 50~
6 0
3 years ago
Read 2 more answers
How do I find the percentage of two column data table?
Arte-miy333 [17]

Answer:

  a) 47.7%

  b) 87.2%

Step-by-step explanation:

Find the ratio of interest, and convert it to a percentage.

<h3>a) </h3>

  (messy right-handed writers)/(right-handed writers)

  = 31/65 = 31/65 × 100% ≈ 47.7%

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<h3>b) </h3>

  (neat right-handed writers)/(neat writers)

  = 34/39 = 34/39 × 100% ≈ 87.2%

8 0
3 years ago
In triangle VWX, VW = 4.5 inches, WX = 5.9 inches, Measure of angle W = 28 degrees, and Measure of angle X = 47 degrees. If Tria
lesya692 [45]

Answer:

<u>There are two statements that are true:</u>

<u>B. QR = 5.9 cm </u>

<u>D. Measure of angle R = 47 degrees</u>

Step-by-step explanation:

1. Let's recall that if ΔVWX ≅ ΔPQR, then:

VW ≅ PQ

WX ≅ QR

PR ≅ VX

<u>therefore, QR is 5.9 cm and not 4.5 cm</u>

2. Let's recall that if ΔVWX ≅ ΔPQR, then:

∠V ≅ ∠P

∠W ≅ ∠Q

∠X ≅ ∠R

<u>therefore, measure of ∠R is 47° and not 28°</u>

<u>There are two statements that are true:</u>

<u>B. QR = 5.9 cm </u>

<u>D. Measure of angle R = 47 degrees</u>

5 0
3 years ago
PLEASE HELP ME AND MY FRIEND NEED THIS QUESTION ANSWERED PLEASE HELP
Bas_tet [7]

Answer:

V_{cone} =65.94\: cm^3

Step-by-step explanation:

  • Height of cone (h) = 7 cm

  • Base radius (r) = 3 cm

  • Formula for Volume of cone is given as:

  • V_{cone} = \frac{1}{3}\pi r^2h

  • Plugging the values of h and r in the above formula, we find:

  • V_{cone} = \frac{1}{3}(3.14) (3)^2(7)

  • \implies V_{cone} = \frac{1}{\cancel 3}(3.14) (\cancel 9)(7)

  • \implies V_{cone} = (3.14) (3)(7)

  • \implies V_{cone} =65.94\: cm^3
7 0
2 years ago
Which shape have at least one right angle choose are that are correct
arsen [322]

Answer:

Square and rectangle

The other polygon isn't necessarily have right angle

7 0
3 years ago
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