Mathematics High School

The average high temperature during the hottest month in Beijing, China, is 72°F. The average high temperature during the coldest month in Beijing is 18°F. The function t = 27 cosine (pi/6(m-6)) + 45, where m represents the number of months after January, models the temperature throughout the year in Beijing.

What is the first month in the year when the temperature reaches 55°F?
A. March
B. April
C. July
D. September

Answers

Answer 1

Answer:

It's April

Step-by-step explanation:

Answer 2

Answer: B

April

Step-by-step explanation:

Related Questions

The side with intermediate length is:
1. OD
2. DE
3 EO

Answers

Answer:

I don't know exactly, I think it is EO, but I could be wrong.

Step-by-step explanation:

The side with intermediate length is OE .

What is the relationship between length of side of triangle and their interior  angle ?

Relationship of sides to interior angles in a triangle

In any triangle:

The shortest side is always opposite the smallest interior angleThe longest side is always opposite the largest interior angle

According to the question

Side opposite to smallest ∠20° = OD

Side opposite to largest ∠110° = DE

Side opposite to intermediate ∠50° = OE

Now,

according to the relationship between length of side of triangle and their interior angle

The smallest side is opposite the smallest angle, and the longest is opposite the largest angle, then it follows that since a triangle only has three sides, the midsize side is opposite the midsize angle.

Therefore,

OD = smallest side

DE = Largest side

OE = intermediate side

Hence, The side with intermediate length is OE .

To know more about the relationship between length of side of triangle and their interior angle here:

https://brainly.com/question/24083446

#SPJ2

Determine the domain of the graph above

Answers

Is all real number I think

12.
The algebra tiles shown below model an equation.


symbol

Which equation best represents the model?

Answers

Where is the symbol also what model ?

How do solve 31 = 5 - 2(3x+4) - x. It can be a fraction.​

Answers

x = 34 over -7
first you distribute, then you combine like terms, then get x by itself and then divide but in this problem you keep it in a fraction.

Write –2/5 as a decimal.

Answers

Answer:

-0.4

Step-by-step explanation:

Answer:

-0.4

Step-by-step explanation:

you just need to devide 2 and 5 or you can multiply the whole thing by 2x so it's 4/10 and than devide if you find it easier

HELP. Type the correct exponet 1/10,00= 10(?)

Answers

Answer:

100

Step-by-step explanation:

Solve the following compound inequality
-3 < x +7 <10

Answers

Answer:

x > -10

x < 3

Step-by-step explanation:

separate into two inequalities

x+7> -3      

x+7<10

x + 7 -7> -3  + -7

    x > - 10

x + 7 -7 < 10 + -7

     x < 3

95 increased by 10%. SIMPLIFIED ANSWERS.

Answers

Answer:

104.5

Step-by-step explanation:

10% of 95 is 9.5 and if you add that to the original value you get the answer

Answer:

95, percentage increased by 10% (percent) of its value = 104.5

help me solve this pls lol
64x²+y²

Answers

Answer:

( 8 x + y )  ( 8 x − y )

Step-by-step explanation:

how many timescas thick as the oceans epipelagic zone is the hadalpelgic zone... work or explanaion please..

epipelagic-0 km
hadalpelagic- -6 km

Answers

flip your chicken strips! hadalpealic - -6 km and dp

How many solutions does the following equation have ?
–42 – 7 + 10x = -7 + 62

Answers

the equation only has one solution

Sarah purchased $28.75 worth of coffee that sold for $11.50 per pound. How
many pounds of coffee did Sarah buy?

Answers

Answer:

She bought 2.5 pounds

Answer:

2.5 lb

Step-by-step explanation:

If Sarah has not made any loss or profit then amount of coffee = total cost/cost per pound 28.75/11.5= 2.5

Bianca bought a skateboard for $75. There sales tax of 6.5%. What well she spent total for the skateboard?

Answers

Answer:

79.875, or 79.88

Step-by-step explanation:

first ya do 75*0.065=4.875

then you add that to 75

She spent $74.94 on the new skateboard

If a = b and b = c, which statement must be true?

Answers

Answer:

a=c

Step-by-step explanation:

This is because of the transitive property; which states that if a=b and b=c, then a=c.

A=C like that guy says

Combine like terms.
-m + 4m - 5m - (-9)
o not use any spaces in your answe

Answers

I think it’s -3m +9
Because u add like terms and distribute the negative into the parenthesis

Answer:

9 - 2m

Step-by-step explanation:

-m + 4m - 5m - (-9)

-m + 4m = 3m

3m - 5m - (-9)

3m - 5m = - 2m

-2m - (-9)

-(-9) = 9

9 - 2m

what are the images of F and H​

Answers

what? there are no images, i have no idea what you are saying

The IQ scores for students at a certain school follow a bell-shaped distribution with mean 102 and standard deviation
10. Kyla, a student at this school, had a standardized IQ score of 1.2. What was her actual IQ score?
104
107
111
114
120

Answers

i think 120 is the answer

Answer:

104

Step-by-step explanation:

If the standard deviation is 10, multiply it by .2 to get 2. Add 102 and you get 104.

ANSWER IT ANSWER IT!

Answers

Answer:

A perfect square means that all side are EXACTLY equal. I hope this helps!

Step-by-step explanation:

In number theory, a perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number itself. For instance, 6 has divisors 1, 2 and 3, and 1 + 2 + 3 = 6, so 6 is a perfect number

It’s due tomorrow please someone help

Answers

Answer:

15a is 32oz   18c is 10

Step-by-step explanation:

Ms. Psenicska is going to Detroit, Michigan. The cost for two different travel packages is shown in the table.
Package 1 Package 2
$175 S250
Roundtrip Ticket
(per person
Hotel Cost
(per night)
$60
$45


Answers

Answer:

y= 45x + 60 if you are just doing the hotel cost. y= 45x + 235 package one and y= 45x + 310 package two if you are including the cost of the travel packages.

What is the slope of the line graphed below

Answers

Answer:

[tex]\frac{3}{4}[/tex] or 0.75

Step-by-step explanation:

I apologize if I'm incorrect

Find the value of x.
140°
10x
O A. 18
O B. 4
C. 14
D. 9

Answers

That is a supplementary angle which means it adds up to 180 degrees.

So first you would subtract what you already know

180 - 140 = 40


Now to find the other angle, you’d need to do the equation

10x = 40

X= 4


Hope this helped :)

I need to write an equation for the following, please help!!

slope = 2; y-intercept is (0,5)

Answers

Answer:

Could you please show me a graph so I can answer more clearly? I'll follow up on this question if it helps.

Step-by-step explanation:

What is the solution to this inequality?
X10
+7 > 10
A. X2 27
B. xs 83
C. xs 27
D. x2 83

Answers

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[tex] \frac{x}{9} + 7 \geqslant 10 \\ [/tex]

Subtract sides 7

[tex] \frac{x}{9} + 7 - 7 \geqslant 10 - 7 \\ [/tex]

[tex] \frac{x}{9} \geqslant 3 \\ [/tex]

Multiply sides by 9

[tex]9 \times \frac{x}{9} \geqslant 9 \times 3 \\ [/tex]

[tex]x \geqslant 27[/tex]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Thus the correct answer is (( A )) .

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Examine the three graphs shown below.
Graph 1
Graph 2
Graph 3

Which graphs have same domain?
O A Graphs 1, 2 and 3
B. Graphs 2 and 3
OC. Graphs 1 and 2
D. Graphs 1 and 3
NEED THIS PLEASE :)

Answers

I think it's a

Step-by-step explanation:

it's been a while since I done this kind of work

2 2/3 divided by 1 1/3

Answers

Answer:

2

Step-by-step explanation:

Answer:

It is 2

Step-by-step explanation:

I do not have a true explanation its just quick math to my brain.

a+1=1 find the value of b^a​

Answers

Answer:

1

Step-by-step explanation:

a+1=1

a=1-1

a=0

b^a which means:

b^0

whenever power is 0 answer is always one

so value of b^a is 1

What is the following answer the equation 275 4/5 + 20.2
and what is 275 4/5 - 20.2

Answers

Answer: 275 + [tex]\frac{4}{5}[/tex] +20.2 = 296

275 + [tex]\frac{4}{5}[/tex] - 20. = 255.

Step-by-step explanation:

275 + [tex]\frac{4}{5}[/tex]  + 20.2 (

= 275 + 0.8 + 20.2

= 275.8 + 20.2 = 296

275 + [tex]\frac{4}{5}[/tex] - 20.2

= 5 + 0.8 - 20.2 ( [tex]\frac{4}{5}[/tex] = 0.8)

=  275.8 - 20.2 = 255.

I hope this  answer your

Can somebody help me please I needed this for the longest (3x+2) and (x-7)

Answers

Answer:

They intercept at (-4.5, -11.5)

Step-by-step explanation:

PLEASE

What is the slope and the y-intercept for the

equation = −2 − 2?

Answers

Answer:

So the slope is -2 while the y-intercept is -2

Step-by-step explanation:

y=mx+b

so you need to rearrange it so it will be

y=-2x-2

So m is slope so it is -2

and -2 is b which is the y-intercept so it is -2

Hope this helps and sorry I took so long

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