Mathematics High School

Help me out please, I really need an explenation... I don’t get it...

Help Me Out Please, I Really Need An Explenation... I Dont Get It...

Answers

Answer 1

Just as a plane figure can have mirror lines of symmetry, so can a solid have mirror planes of symmetry dividing it into mirror-image halves. Thus, a cuboid has three planes of symmetry dividing it into two halves.

D. 3

Related Questions

What is the distance from P to Q?​

Answers

Answer:

B) 5 units

Step-by-step explanation:

3-(-1)²+-1-(-4)²=c²

4²+3²=c²

16+9=c²

25=c²

√25=c

5=c

Find x ?






PLEASE HELP

Answers

Answer:

x = 16

Step-by-step explanation:

what is the slope of (4,-6) and (4,4)​

Answers

Answer:

Undefined

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(4-(-6))/(4-4)

m=(4+6)/0

m=10/0

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5. What is the value of x?

Answers

Answer:

5[tex]\sqrt{3}[/tex]

Step-by-step explanation:

in a 30-60-90 triangle the ratio of sides, respectively, is 1 : [tex]\sqrt{3}[/tex] : 2

you can set up a proportion like this to solve for 'x':

[tex]\sqrt{3}[/tex] / 1 = 15 / x

cross-multiply:

[tex]\sqrt{3}[/tex]x = 15

x = 15/[tex]\sqrt{3}[/tex]

rationalize the denominator by multiply top and bottom by [tex]\sqrt{3}[/tex]

you get 15[tex]\sqrt{3}[/tex] ÷ 3 which is 5[tex]\sqrt{3}[/tex]

Simplify the expression, show all of your work.
3 +[tex]5^{2}[/tex] - 9 ÷3×4

Answers

Answer:

16

Step-by-step explanation:

=3+25−9÷3(4)

=28−9÷3(4)

=28−(3)(4)

=28−12

=16

I hope this helps. Have a good day!!

Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 3)(0,3) and (4, 7203)(4,7203).

Answers

Answer:

[tex]y = 3(7)^x[/tex]

Step-by-step explanation:

Given

[tex](x_1,y_1) = (0,3)[/tex]

[tex](x_2,y_2) = (4,7203)[/tex]

Required

Determine an exponential function

Substitute 0 for x and 3 for y in [tex]y=ab^x[/tex]

[tex]3 = ab^0[/tex]

[tex]3 = a*1[/tex]

[tex]3 = a[/tex]

[tex]a = 3[/tex]

Substitute 4 for x and 7203 for y in [tex]y=ab^x[/tex]

[tex]7203= ab^4[/tex]

Substitute 3 for a

[tex]7203= 3*b^4[/tex]

Divide both sides by 3

[tex]2401= b^4[/tex]

Take 4th root of both sides

[tex]\sqrt[4]{2401} = b[/tex]

[tex]7 = b[/tex]

[tex]b = 7[/tex]

Substitute 3 for a and 7 for b in [tex]y=ab^x[/tex]

[tex]y = 3(7)^x[/tex]

-2(x - 2) = -3 - 21 I need help with that question, I've been trying to solve it for hours but i cant find the answer ​

Answers

Answer:

x = 14

Step-by-step explanation:

you would first distribute the -2 with x - 2, which should give you -2x + 4, and you want to do the -3 - 21, which would give you -24, then subtract 4 from -2x + 4, then you should have -2x = -28, then divide it by -2, which should give you x = 14

Answer:

x = 14

Step-by-step explanation:

In this problem, we must isolate x

Given: -2(x - 2) = - 3 - 21Simplify the right side: -2(x - 2)= - 24Distribute the -2 to x and -2 (multiply): -2x + 4 = -24Subtract 4 from both sides: -2x = -28Divide both sides by -2: x = 14

Lindsay has scored 15 goals in 10 lacrosse games this season. a) What is her unit rate of scoring? b) How many goals might Lindsay score in 35 games? What assumptions do you make?

Answers

a)1.5 goals per match
b) 1.5x35= 52.5 so 53
Assuming she is consistent

An airplane 30,000 feet above the ground begins descending at a rate of 2,000 feet per minute. Write an equation to model the situation. Find the altitude of the plane after 5 minutes

Answers

A = 30,000 - 2000m where A=altitude and m = number of minutes

After 5 minutes A ( altitude) = 30,000 - 2000(5) = 20,000 feet

Solve for n just some homework

Answers

The answer is 4
You multiply 56x0.5 then divide by 7 :)

Answer:

4

Step-by-step explanation:

18. A juice recipe calls for 3 1/2 cups
of sugar and will serve 60 people.
How much sugar would you need
if you reduced the recipe to serve
only 48 people?
A 4 2/3c B 3 1/2c C 2 4/5 c D 2 1/2c

Answers

Answer:

C. 2 [tex]\frac{4}{5}[/tex] cups

Step-by-step explanation:

We want 3.5 (3 1/2) cups of sugar that serves 60 people to serve 48 people instead. So we use proportions. Set it up:

[tex]\frac{x}{3.5} = \frac{48}{60}[/tex]

60x = 168 (48 x 3.5)

/60     /60

x = 2.8 cups of sugar serves 48 people.

Change 2.8 into fractions: 2 [tex]\frac{4}{5}[/tex]

In the given function y = 2x2-8x, when you factor out a, what is left inside the
parentheses?

Answers

Answer:

[tex]y = {x}^{2} - 4x[/tex]

help, will give brainliest, due tonight, help asap

Answers

Answer:

(8,5)

Step-by-step explanation:

quadratic formula

helpp please 6a-11=13

Answers

Answer:

A=18 because 6+18 (was 6+a) is 24 - 11 = 13

Step-by-step explanation:

A=18

Answer:

a = 4

Step-by-step explanation:

add 11 on the = side 11+13 = 24

now you're left with: 6a=24

divide 6÷24

a= 4

(this is separate)
1/2 pass 2;00
1/2 till 1:00
1/4 till 3:00
1/4 after 4:00
1/2 pass 12:00 XD

Answers

Answer: 2/1

Step-by-step explanation:

Help greatly appreciated if you do.

Answers

Answer:

13%

Step-by-step explanation:

There are 40 pets in total, 26 pets are adopted on weekdays.

26/40=13/20=65/100=65%

65/5=13

13%

15. Find the length of x. Round to 1 decimal place.

Answers

15/x = 5/11

5x = 165

x = 33

Rosalia passed out fliers that say, “Vote for Rosalia!" She
gave out 85 fliers on Monday, 66 fliers on Tuesday, and
99 fliers on Wednesday. What fraction of the fliers did
she give out on Wednesday? Use a diagonal fraction bar
in your answer Explain how you found the answer

Answers

Answer:

Step-by-step explanation:

there is a total of 250 fliers. the simplist form is 99/250

Answer:80

Step-by-step explanation:it’s -19 then +33 so 85-19=66 and 66+33=99

ASAP!! 20POINTS!! Students just finished taking test and these are the scores: 75, 80, 62, 98, 90, 86, 55, 86, 92, 66. What is the median of the scores?

A.83
B.86
C.79
D.43

Answers

A is the answer

Step-by-step explanation:

3x - 4y =7
3x - 4y =9

Answers

Answer:

No solution

Step-by-step explanation:

Find sin B as a decimal and round to the nearest hundredth.

Answers

Answer:

sin B= 33.06

Step-by-step explanation:

Hope this Helped!

Mr. Hayes has 11 straw bundles to use forr bedding in his horse stalls. What is the greatest number of stalls he can fill if each stall holds exactly 4 bundles

Answers

Answer:

2 stalls

Step-by-step explanation:

Mr. Hayes has 11 straw bundles to use forr bedding in his horse stalls. What is the greatest number of stalls he can fill if each stall holds exactly 4 bundles

1 stall = 4 bundles

4 bundles = 1 stall

11 bundles = x

Cross Multiply

4x = 11

x = 11/4

x = 2 3/4 stalls

The greatest number of stalls he can build is 2 stalls

Help I need help Hurry please

Answers

Answer:

divide by 105 lol.

Step-by-step explanation:

1500/105.... just plug n in, n = 105

Answer:

A $14.29

Step-by-step explanation:

d = 1500/n

d = 1500/105

d = 14.2857..

d = $14.29

Someone plz help me I will give BRAINLIEST!!!!

Answers

Answer:

Step-by-step explanation:

16 x 3 x 1/8 = (48 x 1)/8 = 48/8 = 6

A garden table and a bench cost $935 combined. The garden table costs $85 more than the bench. What is the cost of the bench?

Answers

Answer:

The bench costs $425

And the Table costs $510

Step-by-step explanation:

table + bench = $ 935

$85 + 2b = $935

$935 - $ 85 = $ 850

$850/ 2 = 425 = b

Describe and correct the error in solving the following rational equation , plz help!!!!!

Answers

First of all, x cannot ever equal -1 because if it does then in the original equation you'd be dividing by 0, which is not possible. anything divided by 0 is undefined.

I think the error was in the second step: x(x+1) = 2(x+1) because they didn't need to go from the first step to there. I'm assuming they multiplied both sides of the equation with (x+1) to get rid of the fraction, but since both sides have (x+1) as the denominator the (x+1) would've cancelled out instead of multiplying with the numerator.

Correction:

[tex]\frac{x}{x+1} = \frac{2}{x+1}\\(\frac{x+1}{1}) (\frac{x}{x+1}) = (\frac{2}{x+1})(\frac{x+1}{1}) \\x = 2[/tex]

as u can see, in the second step of this correction, the (x+1)s on both sides cancel out so only the numerators remain.

Hope this helps!

write an equivalent expression for 55+15n.​

Answers

55+15n
Divide both by 5
11+3n

Answer:

5(11+3n)  

Step-by-step explanation:

divide the whole equation by 5

21. Carmen spent $1.28 for 8 pieces of
candy. How much would Carmen
have to pay for 15 pieces of candy?
A $3.40
B $2.40
C $2.10
D $1.65

Answers

Answer:

2.40

Step-by-step explanation:

It would be B. If you divide 1.28 by 8 you get .16. Then you multiply .16 by 15 to get your answer

help my peleas
[tex]25 = {c}^{2} [/tex]
​

Answers

Answer:

5

Step-by-step explanation:

[tex]c^{2}[/tex] = 25

[tex]\sqrt{c} = \sqrt{25}[/tex]  /take square root of both sides

c = 5    /square root of 25 is 5

Which answer choice shows the decimals in order from least to greatest?
A. 0.013, 0.0104, 0.0118, 0.0108, 0.00149
B. 0.00149, 0.0104, 0.0108, 0.0118, 0.013
C. 0.013, 0.0118, 0.0108, 0.0104, 0.00149
D. 0.013. 0.0118. 0.0108. 0.00149. 0.0104

Answers

Answer:

B.

Step-by-step explanation:

Only  0.00149, 0.0104, 0.0108, 0.0118, 0.013 are in ascending order.

The correct answer is B!
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