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m_a_m_a [10]
3 years ago
6

3. Alyssa has to make 70 pancakes, how many cups of flour will she have to use?

Mathematics
1 answer:
Sonbull [250]3 years ago
3 0

Answer:

14 cups

Step-by-step explanation:

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A quadratic equation is shown below: 4x2 − 12x + 9 = 0
lys-0071 [83]
A)

The discriminant (radicand) is √(b^2-4ac), let us call this "d" for the discriminant.

If:

d<0, there are no real solutions (though there are two imaginary ones)

d=0, there is one real solution

d>0, there are two real solutions.

In this case, d=12^2-4(4)9

d=144-144

d=0

So there is one real solution.

B)

9x^2-30x+25=0

9x^2-15x-15x+25=0

3x(3x-5)-5(3x-5)=0

(3x-5)(3x-5)=0

(3x-5)^2=0

x=5/3

x=1 2/3
6 0
3 years ago
I need help on this what is RS
lana [24]

Answer:

11

Step-by-step explanation:

If RS=TV

5x-9=2x+3

5x-2x=3+9

3x=12

x=4

RS is 5x-9

5(4)-9

20-9

11

6 0
2 years ago
Maria invests $600 in a bank account that earns simple interest. She earns $30 at the end of 12 months. Janae invests $350 at th
olga nikolaevna [1]
I believe the answer is $17.50, she earned $30 off of $600 meaning she had a 5% interest rate and 5% of 350 is $17.50
6 0
3 years ago
A meal plan lets students buy $20 meal cards. Each meal card lasts about 8 days. write and graph equation
Luda [366]

Step-by-step explanation:

Given that,

A meal plan lets students buy $20 meal cards.

Each meal card lasts about 8 days.

Let us assume that y denotes number of days for a 20 dollar meal card i.e. $20 every 8 days.

Let x = number of $ for another day.

So,

y=\dfrac{8}{20}x+8

y=\dfrac{2}{5}x+8

Hence, this is the required equation.

5 0
2 years ago
To raise funds for uniforms and travel expenses, the soccer team is holding a car wash in a part of town with a lot of car and t
Harrizon [31]

Answer:

The need to wash 16 cars.

Step-by-step explanation:

If they charge $20 per truck and washed 15, it would be $300. So you subtract $460 from $300. That gives you $160. Then, you divide $160 from $10. That gives you 16.

4 0
3 years ago
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