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Phantasy [73]
3 years ago
9

25) There are 200 students in 6th periodlunch. The ratio of 7th graders to 8thgraders is 4 to 5. What percent of thestudents are

7th graders?
A) 44 4/9%
B) 55 5/9%
C) 89%
D) 80%

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
4 0
89% I.e C should be the answer I hope it helps you . it should be 4+5=9 4÷9×200=88.8% approximately 89%
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The equation tan(55) = 15/b can be used to find the length of line AC.what is the length of line AC round to the nearest 10th 3.
Nadusha1986 [10]

Answer:

10.5 in

Step-by-step explanation:

Given

tan(55) = \frac{15}{b}

Required

Find length AC

The question is not detailed enough; so, I'll assume that b represents line AC.

Having said that;

We start by multiplying both sides by b

tan(55) = \frac{15}{b}

b * tan(55) = \frac{15}{b} * b

b * tan(55) =15

Divide both sides by tan(55)

\frac{b * tan(55)}{tan(55)} = \frac{15}{tan(55)}

b = \frac{15}{tan(55)}

Find tan(55)

b = \frac{15}{1.42814800674}

b = 10.5031130731

b = 10.5  <em>(Approximated)</em>

<em />

Length AC is 10.5

7 0
3 years ago
Read 2 more answers
Help! will give brainlist!
slega [8]

Answer:

117.5

Step-by-step explanation:

y= 3.5x + 30, where x = his number of toys sold

y= 3.5(25) + 30

y= 117.5

5 0
3 years ago
How many solutions for x does the following equation have?
Luba_88 [7]
The answer would be D. Infinite
5 0
3 years ago
At the corner store near Billy’s
nikklg [1K]

Answer:

d = 0.0175n    ---> required equation

Billy can buy 285.714 gram nut with $5

Step-by-step explanation:

cost of 100g loose nut = $1.75

dividing LHS and RHS by 100

cost of 100/100g loose nut = $1.75

Thus, cost of 1 gm loose nut = $0.0175

let the weight of loose nut be n gm

Multiplying LHS and RHS by n

cost of x g loose nut = $0.0175*n =  $0.0175n

It is given that Billy spent d dollars to buy n gm nuts

thus,

d = 0.0175n    ---> required equation

________________________________________________

He spent $5 to buy nuts

substituting value of d as 5 we have

0.0175n = 5

=>n = 5/0.0175 = 285.714

Thus, Billy can buy 285.714 gram nut with $5.

7 0
3 years ago
Share £56 in the ratio 3:4
vagabundo [1.1K]

Answer:

£24 : £32

Step-by-step explanation:

Add the parts of the ratio 3 + 4 = 7

Divide the amount by 7 to find the value of one part

£56 ÷ 7 = £8 ← one part of the ratio

3 parts = 3 × £8 = £24

4 parts = 4 × £8 = £32

8 0
3 years ago
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