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2 years ago

I’m stuck on this question. Help please

Mathematics

1 answer:

mote1985 [20]2 years ago

6 0

Answer:

Salt: 1, 2, 4

Pepper: 1/2, 1, 2

Garlic Powder: 1/4, 1/2, 1

Onion Powder: 1/4, 1/2, 1

Step-by-step explanation:

The batches are doubling each time.

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Person A can make a cupcake in 5 minutes, Person B can make a cupcake in 9 minutes. In total they made 168 cupcakes. How many cu

Stolb23 [73]

Answer:

Person A made 108 cupcakes and person B made 60 cupcakes.

Step-by-step explanation:

Person A makes 1 cupcake in 5 minutes.

Say in x minutes A makes : $\frac{x}{5}$ cupcakes

Person B makes 1 cupcake in 9 minutes.

Say in x minutes B makes : $\frac{x}{9}$ cupcakes

Total cupcakes prepared by A and B in x minutes = 168

$\frac{x}{5}+\frac{x}{9}=168$

$\frac{14x}{45}=168$

$x=\frac{168\times 45}{14}=540$

So, cupcakes made by A = $\frac{540}{5}=108$

Cupcakes made by B = $\frac{540}{9}=60$

Person A made 108 cupcakes and person B made 60 cupcakes.

5 0

3 years ago

Factorize py+ pz + y² + yz

Troyanec [42]

Answer:

you could either say p(y+z)+y(y+z)or y(p+y)+ z(p+y)

Step-by-step explanation:

I cant really explain it but I hope this helps

6 0

2 years ago

Read 2 more answers

A 25- foot long board is to be cut into two parts. the longer part is one foot more than twice the shorter part. how long is eac

satela [25.4K]

One part is 8 feet long and the other part is 17 feet long.
8+17=25
(8x2)+1=17

5 0

3 years ago

Read 2 more answers

Suppose 300 nursing students took a certification test that is worth 100 points.

Alja [10]

Answer:

225 students scored 65 or better and 75 students scored 88 or better.

Step-by-step explanation:

We are given that The five-number summary for the scores of 300 nursing students are given :

Minimum = 40

$Q_1 = 65$

Median = 82

$Q_3 = 88$

Maximum = 100

$Q_1$ is the first quartile and is the median of the lower half of the data set. 25% of the numbers in the data set lie below $Q_1$ and about 75% lie above $Q_1$ .

$Q_3$ is the third quartile and is the median of the upper half of the data set. 75% of the numbers in the data set lie below $Q_3$ and about 25% lie above $Q_3$

i) .About how many students scored 65 or better?

$Q_1 = 65$

Since we know that 75% lie above $Q_1$ .

So, Number of students scored 65 or better = $75\% \times 300 = \frac{75}{100} \times 300 =225$

ii)About how many students scored 88 or better?

$Q_3 = 88$

Since we know that 25% lie above $Q_3$

So, Number of students scored 88 or better = $25\% \times 300 = \frac{25}{100} \times 300 =75$

Hence 225 students scored 65 or better and 75 students scored 88 or better.

7 0

3 years ago

Use the diagram, which is not drawn to scale, to decide which proportions are true.

PtichkaEL [24]

Answer:

I and IV only.

Step-by-step explanation:

There are 3 similar triangles in the diagram, so corresponding sides are in the same ratio. You can identify corresponding sides by checking that the angles opposite them are congruent.

5 0

2 years ago