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RSB [31]
3 years ago
7

6TH GRADE MATHEMATICS RATES & RATIOS

Mathematics
2 answers:
Naddik [55]3 years ago
7 0

$4.08/16 ounces: $0.255

$4.50/18 ounces: $0.25

$5.39/22 ounces: $0.245


The best buy would be $4.50 for an 18-ounce box of cereal.

pav-90 [236]3 years ago
3 0
You want to find the cheapest per 1 ounce

so just divide cost by ounces

4.08/16=0.225 per ounce
4.50/18=0.250 per ounce
5.39/22=0.245 per ounce
4<5
so cheapest is the 22oz box be
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A bread recipe calls for 1 teaspoon of yeast for every 2
Georgia [21]
I believe it is (5,10)
7 0
3 years ago
Factorise:<br> 3x3-3x2y+xy2-x2y
qaws [65]

3x^3-3x^2y+xy^2-x^2y

All terms have an x in them, so you factor that out first to get

x(3x^2 -4xy+y^2)

Now the 2nd degree equation will be of the form (3x- ... y)(x- ... y) and by just trying you find that the ... is just 1. So the factorization is:

x(3x - y)(x - y)

5 0
4 years ago
The ratio of boys to girls at the beach clean up was 7:8. If there were 42 boys how many girls were there?
kotykmax [81]

Answer:

48 girls

Step-by-step explanation:

Boys: Girls

7       :8

We need to get to 42 boys so we will multiply by 6

7*6 = 42

Boys: Girls

7*6   :8*6

42        48

There were 48 girls

5 0
3 years ago
Can someone pls help me solved this problem plz! I really need help plz someone help me solved it! I need help ASAP!
kati45 [8]

Answer:

a) 0

b) 4.5

c) 3

d) 6

Step-by-step explanation:

Formula: 3x + 4y = 12

The questions contains the values of x. So here's an example of:

d) x = -4, y = ?

   Using the formula:   3(-4) + 4y = 12

                                     -12 + 4y = 12

                                      4y = 24

                                       y = 6

Do the same for the others!

3 0
3 years ago
Over what interval is the quadratic function decreasing?
frosja888 [35]

The interval over which the given quadratic equation decreases is:  x ∈ (5, ∞).

<h3>How to find the interval of quadratic functions?</h3>

Usually a quadratic graph function decreases either when moving from left to right or moving downwards.

In the given graph, we can see that the coordinate of the vertex is (5, 4) after which the curve goes in the downward direction.

Thus, for the values of x greater than 5, the function decreases and so we conclude that the interval in which the quadratic equation decreases is: (5, ∞).

Read more about Quadratic functions at: brainly.com/question/18030755

#SPJ1

6 0
2 years ago
Read 2 more answers
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