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8_murik_8 [283]
2 years ago
15

If each dozen cookies needs 3/4 of a bag of flour to make,how many bags of flour does grandma needs to buy if she is making 10do

zen cookies?
Mathematics
1 answer:
stepan [7]2 years ago
6 0

Answer:

7.5 flour bag

Step-by-step explanation:

we are given

flour bags need to make 1 dozen cookies=3/4

we have to find

number of flour bags for 10 dozen cookies needed =?

1 dozen cookies needed flour=3/4

and for 10 dozen cookies

we will multiply 10 on both sides

it will give

10 dozen cookies needed flour bags=(3/4)*10=30/4=15/2=7.5

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Equation of a line that passes through (2,-3) with the slope of 1/2
Irina18 [472]
In point slope form:
y+3=1/2(x-2)

In slope intercept
y= 1/2x-4
7 0
2 years ago
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A ladder that is 13 meters long is leaning against a wall. The distance between the foot of the ladder and the wall is 7 meters
Maksim231197 [3]
<h2>Answer:</h2>

The equation that is used to model the length of ladder in terms of x is:

                   x^2-7x-60=0

<h2>Step-by-step explanation:</h2>

We can model this problem with the help of a right angled triangle whose hypotenuse is 13 meters and the other two legs are x meters and (x-7) meters.

where x is the distance between the top of the ladder and the ground.

and (x-7) is the distance between the foot of the ladder and the wall.

Hence, using Pythagorean Theorem we have:

13^2=x^2+(x-7)^2\\\\i.e.\\\\169=x^2+x^2+49-14x\\\\i.e.\\\\169=2x^2-14x+49\\\\i.e.\\\\2x^2-14x+49-169=0\\\\i.e.\\\\2x^2-14x-120=0\\\\i.e.\\\\x^2-7x-60=0

                 Hence, the answer is:

                  x^2-7x-60=0

7 0
3 years ago
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F(x) = 2x² + 2, find f(5).?​
Romashka-Z-Leto [24]

Answer:

sorry if i got it wrong but i think its  22 if f5

Step-by-step explanation:

3 0
2 years ago
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How does it factor out as that?
eimsori [14]
To factor out you have to think what multiples to AC and adds to B.

Ax^2+Bx+C

So... for this problem AxC=1x-24 or -24

B is -2.

So what two numbers multiply to -24: -3x8, -8x3, -4x6, -6x4, -2x12, -12x2.

Out of these, which adds to -2: -6+4=-2.

So the factors are (d-6)(d+4)

OR the longer way, which you really only use if A is not equal to 1.

Use the terms above and then rewrite the equation with two middle terms: d^2+4d-6d-24

Group the terms by using addition: (d^2+4d)+(6d-24)

Find what they have in common and factor it out. For the first, it's d. They both have d. So: d(d+4)
To check this, distribute the d. It should equal the first set lf parenthesis.

For the second, they have a number in common. 6 is a multiple of 24 so you can take that out: -6(d+4)

If the terms inside the parenthesis are the same, that's good. It means we can pair the insides and the outsides together to form the factors.

The two terms outside the parenthesis: d, -6 group together and become (d-6)

The inside terms stay the same: (d+4)

(d-6)(d+4)

Again, this is the longer way and no necessary for a problem like this. But if it was 2d^2, then this would be perfecf.




6 0
3 years ago
I need help! Please!!!
11Alexandr11 [23.1K]

Answer:

with what

Step-by-step explanation:

3 0
3 years ago
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