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kotykmax [81]
4 years ago
5

Solve for x. A. 6 B. 7 C. 4 D. 5

Mathematics
1 answer:
hichkok12 [17]4 years ago
3 0

Answer:

D

Step-by-step explanation:

\frac{5x}{20} =\frac{45}{36}

Cross multiply:

(5x)(36)=(20)(45)

180x = 900

divide by 180.

x=5

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Point W is located at (-5,-3).
Musya8 [376]

Answer:

(-5,2)

Step-by-step explanation:

Process of elimination

7 0
4 years ago
In a circle with center P and radius 10cm. If one of the chord is of length 12 cm.
juin [17]

Look at the attachment

The line bisects the cord which we have to find

  • Length of chord=12cm
  • Half of the cord=12/2=6cm
  • Radius=10cm

Its a right angle triangle

  • using Pythagorean theorem

\boxed{\sf P^2=H^2-B^2}

\\ \Large\sf\longmapsto P=\sqrt{H^2-B^2}

\\ \Large\sf\longmapsto P=\sqrt{10^2-6^2}

\\ \Large\sf\longmapsto P=\sqrt{100-36}

\\ \Large\sf\longmapsto P=\sqrt{64}

\\ \Large\sf\longmapsto P=8cm

Distance of the chord from centre is 8cm.

3 0
3 years ago
Read 2 more answers
Seven pens and two pencils costs $6.59. seven pens and five cost $7.55. Find the cost of one pencil and the cost of one pen.
serg [7]
Let one pen be x and one pencil as y, we can produce two equations in terms of x and y

7x+2y=6.59 ------> Equation 1
7x+5y=7.55 ------> Equation 2

We can use either Elimination or Substitution method. Let's try the substitution method

Rearranging equation one to get 7x=6.59-2y and substitute into equation 2, gives
(6.59-2y)+5y=7.55
6.59+3y=7.55
3y=7.55-6.59
3y=0.96
y=0.32

We can use either equation one or equation to work out x

7x+2(0.32)=6.59
7x=6.59-0.64
x=0.85

The price of one pen is $0.85
The price of one pencil is $0.32
5 0
3 years ago
Answer this please correctly and also step by step (-y+5.3)+(7.2y-9)
Contact [7]

Answer: 5/2 decimal form 2.5

Step-by-step explanation: −y+5.3+7.2y−9

=−y+5.3+7.2y+−9

Combine Like Terms:

=−y+5.3+7.2y+−9

=(−y+7.2y)+(5.3+−9)

=6.2y+−3.7

=5/2 decimal form 2.5

6 0
3 years ago
Solve the system of equations by elimination. 6x + 5y = 1 6x + 4y = -10​
mariarad [96]

Answer:

...................

6 0
3 years ago
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