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emmasim [6.3K]
3 years ago
14

HELPPPPP PLEASE. NEED IT ASAP

Mathematics
1 answer:
MAXImum [283]3 years ago
3 0

Answer:

48

Step-by-step explanation:

30/3=10 for all in 1 week

10/5=2 each person in a meal

Since all eat the same amount, 2x3=6 per meal. 6 hot dogs x 8 meals= 48 hot dogs in total

Hope this helped XD

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A pancake recipe requires three and one third cups of milk to one cup of flour. If one and one quarter cups of milk is used, wha
lubasha [3.4K]

1 cup of flour for every 1 and 1/3 cup of milk

1 and 1/3 = 4/3 cup

1 and 1/4 = 5/4 cup

5/4 /4/3 = 5/4 x 3/4 = 15/16 cups of flour

 

6 0
4 years ago
Dixon and his little sister Ariadne stand next to each other on the playground on a sunny afternoon. Their mother measures their
nataly862011 [7]
<span>We can use the proportion. We already know that Dixon is 6 ft tall and that his shadow is 9 ft long. Also we know that the shadow of his sister is 6 ft long. 6 : x = 9 : 6, or 6 / x = 9 / 6. After that we will cross multiply : 9 * x = 6 * 6, 9 x = 36 , x = 36 : 9, x = 4. Answer: Ariadne is 4 feet tall.Hope I helped! :) Cheers!</span>
4 0
4 years ago
What is the least common denominator of 17/50 and 4/15
Charra [1.4K]
The least common denominator is 150. 15x10 = 150, and 50x3 = 150
6 0
3 years ago
Read 2 more answers
Can someone solve this addition of rational expressions question
jarptica [38.1K]

3/b - 8 + 7/b +3

combine like terms

3/b + 7/b -8+3

10 /b -5

4 0
3 years ago
Vertex of x^2 + 6x + 17
jekas [21]

We have: f(x)=x^2+6x+17

Method 1.

Use: (*)\ \ \ \ \ (a+b)^2=a^2+2ab+b^2

and the vertex form f(x)=a(x-h)^2+k

(h, k) - the coordinates of a vertex

x^2+6x+17=x^2+2\cdot x\cdot3+17=\underbrace{x^2+2\cdot x\cdot3+3^2}_{(*)}-3^2+17\\\\=(x+3)^2+8\to h=-3;\ k=8

Answer: (-3, 8)

Method 2.

For f(x)=ax^2+bx+c the coordinates of a vertex (h, k) are equal

h=\dfrac{-b}{2a};\ k=f(h)=\dfrac{-(b^2-4ac)}{4a}

We have: f(x)=x^2+6x+17\to a=1;\ b=6;\ c=17

Substitute:

h=\dfrac{-6}{2\cdot1}=\dfrac{-6}{2}=-3\\\\k=f(-3)=(-3)^2+6(-3)+17=9-18+17=8

Answer: (-3, 8)

5 0
4 years ago
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