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svetlana [45]
3 years ago
8

URGENT !!!!! PLEASEE ANSWER CORRECTLY !!!!!! WILL MARK BRIANLIEST !!!!

Mathematics
1 answer:
nignag [31]3 years ago
6 0
Ex:
TM is perpendicular to NT
QN is perpendicular to OM
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Problem 10 / (Second Session 2006)
hammer [34]

Answer:

Find other solutions in explanation

x = 250

y = 1750

Step-by-step explanation:

x = cost per copybook

y = cost per pen

2. Sum of the cost of 4 copy books and 3 pen is equal to 7750

3.)

2x+y=2750 - - (1)

4x + 3y = 7750 - - - (2)

From (1)

y = 2750 - 2x

Substitute y = 2750 - 2x into (2)

4x + 3(2750 - 2x) = 7750

4x + 8250 - 6x = 7750

-2x = - 500

x = 500/2

x = 250

y = 2750 - 2(500)

y = 2750 - 1000

y = 1750

7 0
3 years ago
Question 3(Multiple Choice Worth 2 points)
Lilit [14]

The equivalent expression is seven-fifths squared times one-third cubed. Then the correct option is D.

<h3>What is an equivalent expression?</h3>

The equivalent is the expression that is in different forms but is equal to the same value.

Five-sevenths squared times one-third raised to the power of negative three all raised to the power of negative one.

Convert the sentence into numerical form.

\rm \rightarrow \left [ \left (\dfrac{5}{7} \right )^2 \times \left ( \dfrac{1}{3}\right )^{-3} \right ] ^{-1}

Simplify the expression, then we have

\rm \rightarrow \left [ \left (\dfrac{7}{5} \right )^{2} \times \left ( \dfrac{1}{3}\right )^{3} \right ]

The equivalent expression is seven-fifths squared times one-third cubed. Then the correct option is D.

More about the equivalent link is given below.

brainly.com/question/889935

#SPJ1

6 0
2 years ago
The diameter of a circle is 18 cm. Find its area in terms of pi
Kobotan [32]

Answer:

I love algebra anyways  

the ans is in the picture with the steps  

(hope it helps can i plz have brainlist :D hehe)

Step-by-step explanation:

4 0
3 years ago
Simplify 144 square root.
Brrunno [24]

Answer:

sqrt(144) = ±12

Step-by-step explanation:

sqrt(144)

What number, when multiplied by itself, gives 144

12*12 = 144

-12*-12 = 144

sqrt(144) = ±12

4 0
3 years ago
Read 2 more answers
Josea went out to dinner to an Indian restaurant. The total bill was $38 .she wanted to leave a 20% tip
jekas [21]

Answer:

$20?

Step-by-step explanation:

6 0
3 years ago
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