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Ivanshal [37]
3 years ago
10

What is 7*3+4-5, please help

Mathematics
2 answers:
stira [4]3 years ago
8 0

Answer:

20

Step-by-step explanation:

you first multiply 7 and three

then add that to four

then subtract 5

postnew [5]3 years ago
3 0

Answer:20

Step-by-step explanation:

First do 7*3=21

Then add 4 21+4=25

Finally do 25-5=20

To conclude the answer is 20

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3/20 = 0.15
0.15 * 100 = 15
You would need to use 15 eggs for 100 pancakes.
8 0
2 years ago
PLEASE HELP WILL GIVE BRAINLIEST!
ra1l [238]

Answer:

a

Step-by-step explanation:

6 0
2 years ago
Bettina is measuring the food for her farm animals. She has 265 grams of corn, 500 grams of hay, and 495 grams of oats. What is
Mrac [35]

Answer

260 kilograms

Step-by-step explanation:

the correct answer is 260 kg

6 0
2 years ago
In a class of 40 students, 30 read
DIA [1.3K]
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3 years ago
Suppose a triangle has two sides of length 3and 4 and that the angle between these two sides is 60. What is the length of the th
tangare [24]

9514 1404 393

Answer:

  A.  √13

Step-by-step explanation:

You can make an educated guess and come to the right conclusion.

The triangle is nearly an equilateral triangle. A triangle with two sides 3 and an angle of 60° would have a third side of 3. A triangle with two sides of 4 and an angle of 60° would have a third side of 4.

So, the third side must be between 3 and 4. Here is an evaluation of the answer choices:

__

A -- between 3 and 4, the correct choice

B -- 3, too short

C -- 1.73, too short

D -- more than 4, too long

__

The question can be answered using your triangle solver app on your calculator, or using the Law of Cosines.

  c = √(a^2 +b^2 -2ab·cos(C))

  c = √(3^2 +4^2 -2·3·4·(1/2)) = √(9 +16 -12)

  c = √13 . . . . . length of the side opposite the 60° angle

5 0
3 years ago
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