Mathematics High School

what is the answer to all of these
1) 8z + 4 - 3k when z=5 and k=8 =
2) 7s - 3b + 8 - 4 when s=7 and b=4 =
3) 6k + d when k=5 and d=7 =
4) 6r - 10/r when r=5 and z=3 =
5) 7 + 3(9x - 5w) when x = 6 and w=5 =

Answers

Answer 1
1) 8 x 5 + 4 - 3 x 8
=20
2) 7 x 7 - 3 x 4 + 8 - 4
=41
3) 6 x 5 + 7
=37
4) 6 x 3 - 10/5
=16
5) 7 + 3(9 x 6 - 5 x 5)
=87x + 7
Hopefully that’s right :)

Related Questions

bfmnbv help will give brainly

Answers

Answer:

tell your friend yall in zooooom

Step-by-step explanation:

Answer:

m=2

b=5

y=2x+5

Step-by-step explanation:

3. 432 is divisible by (1 point)
O only 2.
O only 3.
O2 and 3.

Answers

Answer:

Only two and Three!

Step-by-step explanation:

423 is divisible by the prime number two!

423 divided by 2 is 216

432 is also divisible by three!!

432 divided by three is 141

The number 432 is divisible by 2 and 3 both as its unit digit is even and the sum of the digits is 9.

What is the divisibility rule?

By the divisibility rule, we can determine whether numbers are divisible by some other numbers or not without dividing.

We know a number is divisible by 2 if its unit digit is even and a number is divisible by 3 if the sum of the digits is divisible by 3.

Given number is 432 unit digits even, therefore, it is divisible by 2,

and the sum of the digits is 9 so it is also divisible by 3.

learn more about divisibility rules here :

https://brainly.com/question/10703980

#SPJ2

(b) Factorize: x2 - 49

Answers

Answer:

(x+7)(x-7)

Step-by-step explanation:

This one has the standard shape of a²-b², therefore its factorization is (a+b)(a-b).

Answer:

(x-7)(x+7)

Step-by-step explanation:

x^2 = x * x

-49 = -7 * 7

(x-7)(x+7)

Give the function y=-5x+12, what is the output (y) when the input, x=-2?

Answers

Answer:

y=22

Step-by-step explanation:

y=-5(-2)+12

y=10+12

y=22

Erick ordered 4 new DVDs by mail. Each costs the same amount and there
was an additional $5 shipping charge that brought the total to $33.
What was the cost of one DVD?
mil Movin at Mayfair, Zal bought a drink for

Answers

Answer: $7 each

Step-by-step explanation: 33-5=28 28/4=7

True or false: Sequences of rigid motions can be applied to any type of polygon.

Answers

Answer:true

Step-by-step explanation:

7 – d > 10 SHOW ALL WORK

Answers

Answer:

d < -3

Step-by-step explanation:

7 - d > 10

(-7)      (-7)

-d > 3

(dived both sides by -1, when dividing or multiplying both sides by a negative number the inequality sign changes)

d < -3

Chris bought a $568.80 tv with a 40% markup, how much does the tv cost.

Answers

Answer: the answer is $796.32

Step-by-step explanation:

Which expression could you write to show how to multiply 9 x 856 using place vale and expanded form.

Answers

9X800) + (9X50) + (9X6)

find the roots of the equation (t+1)2 +(t-8)2=45
a.-5,-2 b.3,4 c. 5,2 d. 2,-3​

Answers

t2 +2t+2+t2 _16t+64=45

2t2_14t+65=45

2t2_14t +20=0

(2t_4)(t_5)=0

t=2 t=5

answer is C.5,2

Solve v+8<3 or -8v-40 .

Answers

The answer is:

v < -5 or v > 5

Hope this helps ✨❤️

After taking typing lessons for three months, Johanna can type 285 words in five minutes. How many words can she type in 13 minutes?

Answers

Answer:

Hello,

-First find the unit rate, 285 divided by 5

since she can type 285 words in 5 minutes

the unit rate is 57 words per minute

-now multiply that by 13

57 times 13

741 words in 13 minutes

-Hope this helps

If 15% of x equals 20% of y, what percentage of x is y?

Answers

Answer:

Step-by-step explanation:15 % of x = 20%of y , 15 x =20 y , x÷y =20 ÷15 , let x =15 and y = 20 , y has 3÷4 amount of x ,

What is the measure of AC?

Answers

The measure of AC is 10 I’m pretty sure
10
Negative:-6












I think this the right answer

Please help ASAP!!!!

Answers

Answer:

is B

Step-by-step explanation:

Uhm I need help.. If I threw a ball vertically at an initial speed of 34.5 m/s, how many seconds would it take to reach its maximum height?

Answers

Answer:

3.8 seconds to reach the maximum height

Hope I helped have a nice day!:)

Step-by-step explanation:

Brian and Colin are marking exam papers. Each set takes Brian 40 minutes and Colin 1 hour. Express the times Brian and Colin take as a ratio.
Give your answer in its simplest form.

Answers

Answer:

2:3 in the simplest form

Step-by-step explanation:

40/60

2/3=2:3

Answer
2:3 in simplest form

Explanation: 40/60 in simplified form is 2:3

help will mark brainlist

Answers

Does this allow multiple attempts ?

PLEASE HELP!!!!! PLEASE LOOK AT MY DOCUMENT AND HELP ME!!! I AM NOT UNDERSTANDING THIS AND I NEED TO GET MY GRADE UP!!

Answers

i do not see a picture sorry cant help

I need help I have 10 more minutes until this quiz ends plz help

Answers

Answer:

The second and the third one

Step-by-step explanation:

Answer:

Second, Third, and Sixth box

Step-by-step explanation:

The total number of people is 5 people if each person gets a ticket a popcorn, each price should be multiplied by 5 or the prices could be added then multiplied by 5.

So, the correct answers are:

5(5.50) + 5(3.25)

5(5.50 + 3.25)

5(5+3) + 5(0.50 + 0.25)

five less than the product of seven and a number is the same as 13

Answers

Answer:

Step-by-step explanation:5-7+13

how do i do xy=4
2x-y+2=0
i'm solving by substition

Answers

so I think the answer is very difficult ask to someone else

Step-by-step explanation:

xy=4

2x-y+2=0

Is it x+y=4 or x-y=4? I can help you solve in comments.

What is the correct justification for the indicated steps?

Step C:

Step D:

Step E:

Answers

Answer:

Step C: distributive property

Step D: Tringonometric Sum Identity

Step E: Factoring

Step-by-step explanation:

The correct justification for the indicated steps:

Step C: distributive property Step D: Tringonometric Sum Identity Step E: Factoring

Thus, the Proof of de Moivre's Theorem is distributive property, Tringonometric Sum Identity and factoring.

Know more :

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4.1
Twenty two litres(22ltrs) of petrol cost R300. How much will
you pay for one litre of petrol

4.2
A car travels a distance of 330 km at an average speed of 110
km/h. How long does it take the car to travel this distance?

4.3
Calculate the amount that will be in the bank after 4 years if
R2000 was invested at 9% p.a. simple interest​

Answers

Answer:

4.1 -

300/22= 13.65

so the answer is 13.63

4.2

distance/speed

330/110= 3

So it'll take 3 hours

4.3

sorry not sure for this one :(

4.1

Cost of 22ltrs of petrol = Rs300

Cost of 1ltr of petrol = 300/22

= 150/11

= Rs13.63

4.2

distance = 330km = d

speed = 110km/hr = s

time = d/s

= 330/110

= 33/11

= 3hrs

4.3

SI = principal amount × rate of interest × time

[tex] = 2000 \times \frac{9}{100} \times 4[/tex]

[tex] = 20 \times 9 \times 4[/tex]

[tex] = 720[/tex]

Amount = Principal + SI

= 2000 + 720

= Rs2720

Hamid has gained weight.
He now weighs 88kg, whish is higher than his normal weight
What is Hamid's normal weight?

Answers

The situation we have to find is how much weight Hamid has gained. There is no number so I’m just going to teach u how to find the original weight. So basically you have to subtract the weight that is gained from the current weight which will give you the answer to the normal weight.
Current weight-weight gained=normal weight
For example if he gained 5 kg
88-5=83 so his normal weight is 83kg

formulae for perimeter of a rhombus​

Answers

Answer:

perimeter= 4a

a= sides

Which is the equation of the same line as y = 3x - 8?
A. 3x - 2y = 8
B.-3x - 2y = -8
C. 6x - y = 16
D. 6r - 2y = 16

Answers

Answer:

letter c. 6x-y=16

Step-by-step explanation:

Identify a set of parallel and a set of perpendicular lines in this image.

Please helppp

Answers

It's the third one. Soshsiksbdbd

Answer:

The third answer choice

Step-by-step explanation:

The two parallel lines are BF and CG the perpendicular are AD and BF because the first sets are side by side and the second sets cross each other at a certain point.

At noon, the temperature was 5 degrees Celsius. By late afternoon, it has risen 6 degrees Celsius. What was the temperature late in the afternoon?

Answers

Answer:

11 degress celcius

Step-by-step explanation:

there was an  original 5 but it increased by 6

5 + 6 = 11

11 degrees celcuis

Answer:

11 degrees Celsius

Step-by-step explanation:

5+6=11

1. Identificamos los coeficientes a, la b y la c
a = 1 ( está al lado de
2
)
b = -8 ( está al lado de X )
c = 7 (término independiente)

Answers

Answer:

I don't speak Spanish I'm Sorry

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