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Vilka [71]
3 years ago
14

Henrietta surveyed her high school classmates on their favorite subjects. She recorded their gender and favorite subject. She co

ncluded that if she surveyed 500 male and 500 female high school students she would find a higher number of males that preferred history than the number of females that preferred math. Was she correct?
Mathematics
2 answers:
Elan Coil [88]3 years ago
6 0

Answer:

No, because the relative frequency of males who like history is lower than the relative frequency of females who like math.

males prefer history =

7

29

7

29

× 500 ≈ 121

females prefer math =

6

24

6

24

× 500 = 125

Therefore, the number of females would be greater by 4.

Step-by-step explanation:

I TOOK THE TEST

vovikov84 [41]3 years ago
5 0

Answer: No she was not correct because

Step-by-step explanation: Lets be honest no one really likes math that much

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The hypotenuse of a right triangle measures 58 cm and one of its legs measures 42 cm. What is the length of the missing leg?
tresset_1 [31]
Pythagorean theorem
c2 = a2 + b2
58^2 = 42^2 + b2
3364 = 1764 + b2
1600 = b2
b = 40
4 0
3 years ago
Read 2 more answers
A bike messenger earns $60 per day plus $12 per delivery. Today the messenger wants to earn at least $204.
kramer

Answer:

72

Step-by-step explanation:

First you do 204 - 60 = 144

Than you do 144 ÷ 2 = 72

Hope this helps!

7 0
3 years ago
Simplify and expand (1/3)to 2nd power × 18 + (1/2)to 2nd power × 4
Pepsi [2]
Step 1. Use Division Distributive Property ( \frac{x}{y} ) ^{a} = \frac{ x^{a} }{ y^{a} }

Step 2. Simplify 3^{2} to 9

\frac{1}{9} *18+( \frac{1}{2} ) ^{2}*4 


Step 3. Use Division Distributive Property  ( \frac{x}{y} ) ^{a} = \frac{ x^{a} }{ y^{a} }

\frac{1}{9} *18+ \frac{1}{ 2^{2} } *4

Step 4. Simplify 2^{2} to 4

\frac{1}{9} *18+ \frac{1}{4} *4

Step 5. Simplify \frac{1}{9} *18 to \frac{18}{9}

\frac{18}{9} + \frac{1}{4} *4

Step 6. Simplify \frac{18}{9} to 2

2+ \frac{1}{4} *4

Step 7. Simplify \frac{1}{4} *4 to 1

2+1

Step 8. Simplify

3

Done! Your answer is 3 
6 0
3 years ago
A palm tree is supported by two guy wires as shown in the diagram below. Which trig expression can be used to find the height on
Volgvan

Answer:

D. tan(30^\circ+45^\circ) is the correct answer.

Step-by-step explanation:

The given situation can be represented as a figure attached in answer area.

B is the base of tree.

C is the base of wires.

A and D are the end of 2 wires supporting the tree.

\angle DCB =45^\circ\\\angle ACB =75^\circ\\

Here, we need to find the Height of the tree which is represented the by side AB.

and we are given that bases of wires and tree base are at a distance 4 ft.

i.e. side BC = 4 ft

If we look at the \triangle ABC, we are given the base BC and the \angle ACB, and the perpendicular is to be find out.

We can use trigonometric identity:

tan\theta =\dfrac{Perpendicular}{Base}

tan 75^\circ = \dfrac{AB}{BC}\\\bold {tan (45+30)^\circ }= \dfrac{AB}{4}\\\Rightarrow AB = \bold {tan (45+30)^\circ } \times 4 = 14.93\ ft

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5 0
3 years ago
Paper cost $49 for 10 reams. How much for 1 ream?
amid [387]
For 10 ream, it's cost = $49
So, for 1 ream, it would be: $49/10 = $4.9

So, your final answer is $4.9

Hope this helps!
6 0
3 years ago
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