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hodyreva [135]
3 years ago
9

What is it 9−(−4+4·(−3))=

Mathematics
1 answer:
mote1985 [20]3 years ago
5 0

Answer:

25

Step-by-step explanation:

9−(−4+4·(−3))

PEMDAS

Parentheses first

(−4+4·(−3))

Multiply first

(−4+4·(−3))

Multiply and divide

-4+-12

-16

Now replace in the expression

9−(-16)

9+16

25

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I have three times as much money as does my brother. Our combined total is $42. How much does each of us have?
nika2105 [10]
For an instance, i stands for the money that you have, and b stands for the money that brother has.
An equation system based on the problem would be
i + b = 42 (equation 1)
i = 3b (equation 2)

Use substitution method to solve the problem
substitute 3b into i in the equation 1
i + b = 42
3b + b = 42
4b = 42
b = 42/4
b = 10.5

substitute the value of b into the equation 1
i = 3b
i = 3(10.5)
i = 31.5

You have $31.5 and your brother has $10.5
4 0
3 years ago
Identify the similar triangles and find value of x
zalisa [80]

I dont know i just points

3 0
3 years ago
The price of fruits per kg are given below- Watermelon Rs 18.50 Cherry Rs 72 Grapes Rs 120.60 Apples Rs 78.40 Karan bought 412 k
Papessa [141]

Answer:

X=-2.74*10^{-7}Rs

Step-by-step explanation:

From the question we are told that:

Table for price per Kg

 Watermelon Rs 18.50

 Cherry Rs 72

 Grapes Rs 120.60

 Apples Rs 78.40

Karan Bought:

 412 kg watermelon

 1 kg 200g cherries

 250 g grapes

 134 kg apples

Generally the equation for Total Price of Fruits Bought is mathematically given by

\sum (Price Rs* Weight kg )

 \sum (P* W)=(412*18.5)+(1.2*72)+(0.25*120.60+(134*78.40))

 \sum (P* W)=27374289.78

Therefore the Amount of Money he gets back is

 X=500-\sum (P* W)

 X=-2.74*10^{-7}Rs

Therefore

He owes the shop keeper 2.74 million Rs

8 0
3 years ago
Solve.<br> 4 x + 6 &lt; − 6<br><br> Thankyou In advance :&gt;
andrew-mc [135]

Answer:

x < -3

Step-by-step explanation:

Step 1: Subtract 6 from both sides.

  • 4x + 6 - 6 < -6 - 6
  • 4x < -12

Step 2: Divide both sides by 4.

  • \frac{4x}{4} < \frac{-12}{4}
  • x < -3

Therefore, the answer is x < -3.

6 0
3 years ago
belinda is digging a round flower garden in her backyard. she has 19 feet of rubber edging to place around the garden. what is t
Maurinko [17]
"Around the garden"= circumference

Find diameter from circumference formula

Circumference= πd
19= (3.14)d
divide both sides by 3.14
6.04788= d

Find radius
d÷2= 3.0239

Insert r= 3.0239 into Area formula

Area= πr^2
A= π(3.0239)^2
A= (3.14)(3.0239)^2
A= 28.71 square feet

ANSWER: 28.71 square feet is the area of the new garden

Hope this helps! :)
3 0
4 years ago
Read 2 more answers
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