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Nat2105 [25]
3 years ago
14

What is an angle that crosses itself called?

Mathematics
1 answer:
bagirrra123 [75]3 years ago
3 0
It is intersecting line!
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Angela and Michelle shared some money in the ratio 4: 9 then Angela gave Daniel half her share.Michelle gave Daniel a third of h
SVEN [57.7K]

Using a system of equations, it is found that £52 was originally shared.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are given as follows:

  • Variable x: Angela's share.
  • Variable y: Michelle's share.
  • Variable z: Daniel's share.

Angela and Michelle shared some money in the ratio 4: 9, hence, considering t as the total:

  • x = \frac{4t}{13}.
  • y = \frac{9t}{13}

Angela gave Daniel half her share.Michelle gave Daniel a third of her share. Daniel was given a total of £20, hence:

\frac{x}{2} + \frac{y}{3} = 20

\frac{4t}{26} + \frac{9t}{39} = 20

\frac{12t + 18t}{78} = 20

30t = 20 x 78

t = 20 x 78/30

t = £52.

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

5 0
2 years ago
ef<br>gh<br>A. dº + fº = 180° B. gº + fº =<br>C. Cº + f 0 = 180° D. bº + 0 =<br>The circumference of a circle is 88c<br>Calculat
Solnce55 [7]

About 28cm

circumference of a circle =radius×3.14

3.14÷circumference of the circle (88cm)=28.04.

About 28cm.

8 0
3 years ago
Find the percent of change. Round to the nearest tenth of a percent if necessary. 57 people to 65 people. About___ % increase.​
kap26 [50]

Answer:

  14.0% increase

Step-by-step explanation:

One formula you can use for this is ...

  percent change = ((new value)/(old value) -1) × 100%

  = (65/57 -1) × 100%

  ≈ 0.1403 × 100%

  ≈ 14.0% . . . . . . the positive sign indicates an increase

5 0
3 years ago
Help plzzz I need help
pogonyaev
$1221
(6 x $156)+($95 x 3)
3 0
3 years ago
ANYONE WILLING TO DO 5 QUESTIONS FOR 20 POINTS AND A CROWN
tino4ka555 [31]

Answer:

1. B-the income in year five  was twice the income in year 1

2.H-90 dollars

3.H- 7.5 hours

4.H-The number of premium memberships sold during week 3 was 2 times the number of premium memberships sold during week 2

5.F-56

Step-by-step explanation:

5 0
3 years ago
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