Mathematics High School

F
is directly proportional to
a
.
If
F
=
36
when
a
=
9
find,
F
when
a
=
4

Answers

Answer 1

Step-by-step explanation:

F = ka, where k is a real constant.

When a = 9, F = 36.

=> (36) = k(9), k = 4.

Therefore when a = 4,

F = (4)(4) = 16.

The value of F is 16 when a is 4.

Related Questions

What is the value of 8(3 + x) when x = 7?

Answers

Answer:

80

Step-by-step explanation:

8(3+7)=80

This is 20 pts. Please help. I need help on my homework due tomorrow...here are the questions and please show how to work out the problems:
1. Convert 101 with an exponent of 2 to base 10
2. Convert 2A3 with an exponent of 16 to base 10
3. Covert 173 to base 3
4. Convert 177 to base 16

Answers

Answer:

1) 10^2 + 1

2) ?

3) 2(3^3) + 11

4) 16^2 - 79

Step-by-step explanation:

1) 101 = 100 +1 = 10^2 +1

2) ?

3) 173 = 81+81+11 = 3^3+3^3+11 = 2(3^3) +11

4) 177=256-79 = 16^2 -79

Pls mark Brainiest :)

Answer this and I will give you 20 points

Answers

Social distancing is a good thing to do so good job ok

ABCD is a parallelogram. If side AB = 5x + 7, side BC = 8x - 12, and side CD = 7x - 9, find the value of x.

Answers

Answer:

8cm

Step-by-step explanation:

AB = CD

5x+7 = 7x-9

2x = 16

Write 25x10^6 in standard form

Answers

Answer:

2.5 x 10^7

Step-by-step explanation:

Answer:

26000000

Step-by-step explanation:

The decimal point would be at 26.000000 so u want to count 6 --> that way

Tomás earned $38.25 for cleaning the garage. He was paid $4.25 per hour. Write and solve a multiplication equation to find how many hours it took him to clean the garage.

Answers

Answer:

4.25(x)=38.25

Step-by-step explanation:

help plz and have a good day

Answers

6+3= 9.

you input the given value for X.

find the distance between two numbers on a number line. write your answer as a decimal. -7/9 , -2/9 the distance between the two numbers is __?

Answers

Answer:

umm.

Step-by-step explanation:

Rachel has 2/3 pound of snack mix. She eats 5/12 of the snack mix. How much of the snack mix did Rachel eat?

Answers

Answer: Racheal ate [tex]\dfrac{5}{18}[/tex] of the snack mix.

Step-by-step explanation:

Given : Rachel has [tex]\dfrac23[/tex] pound of snack mix..

If she ate [tex]\dfrac5{12}[/tex] of the snack mix.

Then, Quantity of snack mix eaten by Rachel = [tex]\dfrac5{12}\times\dfrac23[/tex]

[tex]=\dfrac56\times\dfrac13\\\\=\dfrac{5}{18}[/tex]

Hence, Racheal ate [tex]\dfrac{5}{18}[/tex] of the snack mix.

solve or check ' whether your answer is correct or not 3x -9=12​

Answers

Answer:

x = 7

Step-by-step explanation:

3x - 9 = 12

3x = 12 + 9

3x = 21

x = 21 ÷ 3

x = 7

x = 7..................

5. Which expression is equivalent to (2p + 4)(2p – 4)?
A 4p2 + 16p – 16
B (2p)2 – 2(2)(4) + 42
C 2p2 – 42
D (2p)2 – 42

Answers

Answer:

[tex] {4p}^{2} - 16 [/tex]

I think I'm wrong or you're wrong.

I don't know but hope it's helpful ❤❤❤

THANK YOU.

Simplify
3-6 x
(34
.
3º)2
3-6
3-2
30

Answers

Answer:

5

Step-by-step i did the math

Answer:

3 to the power of 0

ANSWER ASAP PLS!!!!!
What value(s) of x will make x2 = 81 true?
A.3
B. 9 and −9
C. 40.5 and −40.5
D. 9

Answers

B.) 9 and -9
9^2=81 and 9^2=81

Highest common factor of 220 and 88

Answers

The answer is 44 if I’m correct
GCF of 220 and 88 is 44.

Karly got a 74% on her Social Studies test. The test had 50

questions. How many questions did she NOT answer

correctly?

ann

Answers

She answered 37 questions incorrectly

What is a formula for the nth term of the given sequence?
-11, -9, -7...

Answers

If a1 is the first term of an arithmetic sequence and d is the common difference, then the formula for finding thenthtermofthesequenceisan =a1+(n−1)d.
Wehavebeengivena1 =5andd=15. We’reaskedtofindn=40.
an =a1 +(n−1)d a40 = 5+(40−1)·15
= 5+39·15 = 590
The 40th term of this sequence is 590.

canden buys 3.9 pounds of grapes that cost 1.80 per pound . Which expression can be used to find the total cost of the grapes

Answers

Answer:

3.9 x $1.80

Step-by-step explanation:

3.9 x $1.80

plz help asap i will give you brainlist

Answers

7x7= 49 + 4 = 53 i think bc the 8^0 is just zero

Danny charges 30$ for 3 hours of swimming lessons martin charges 55$ for 5 hours of swimming lessons which deal is better

Answers

Answer:

Danny

Step-by-step explanation:

Danny charges $10 an hour

Martin charges $11 an hour

PLEASE HELP!!!
I NEED THIS ASAP

Answers

Answer:

d. 132

Step-by-step explanation:

12 + 8 x 15

do 8 x 15 first because PEMDAS

12 + 120

132

Find the missing terms 14.5_,_,18.4

Answers

The first term is a which is equal to 14.5

The 4th term is a + 3d = 18.4

We know what a is so we can substitute it into the above equation...

14.5 + 3d = 18.4

3d = 3.9

d = 1.3

So the common difference is 1.3... now you just have to add that to the first term so...

14.5 + 1.3 = 15.8 (2nd term)

15.8 + 1.3 = 17.1 (3rd term)

Hope this helps! Any questions let me know:)

Write 5√4 using rational exponents.

Answers

Answer:

A. [tex] {5}^{ \frac{1}{4} } [/tex]

Step-by-step explanation:

[tex] \huge \sqrt[4]{5} = {5}^{ \frac{1}{4} } [/tex]

Pls help I will give brainliest

Answers

Answer:

Step-by-step explanation:

the distance around the figure--we need to find the perimeter

we have rectangle that has the side, 8 and 15

P(r)=2(8)+2(15)=16+30=46

we also have half of the circle with the diameter =8 and r=4

Circumference =2*3.14*r

C=2*3.14*4=25.12

we need just half of the circle 25.12/2=12.56

P figure=46+12.56=58.56

Area= rectangle=l*w=8*15=120

Area(circle)=3.14*r^2=3.14*16=50.24

half circle 50.24/2=25.12

Area figure=120+25.12=145.12

What is the coefficient of q in the sum of these two expressions?

(2/3q – 3/4) and (–1/6q – r)

Can someone please help! I will be marking brainliest!

Answers

Answer:

the two coefficients are 2/3 and -1/6

the sum of the expressions are = 1 /2 q−r+ −3 /4

Step-by-step explanation:

PLZ HELP ASAP!!!!!!!!

Answers

Answer: 3:2

Step-by-step explanation:

the base ratio of unused tape to used tape is 24:16.

then we have to simplify,

both 16 and 24 can be divided by eight,

24 divided by eight is 3

16 divided by eight is 2

therefore, our simlpified ratio is 3:2

hope this helped! <3

An airplane descends 1.5 miles to an elevation of 6.05.Find the elevation of the plane befor its descent the intial elevation of the plane was blank miles

Answers

Answer:

7.55 miles

Step-by-step explanation:

Given that :

Distance of descent = 1.5 miles

New elevation point after descent = 6.05 miles

The initial elevation of the plane before descent will be :

New elevation point after descent + Distance of descent

(6.05 miles + 1.5 miles)

= 7.55 miles


What is the domain of this function?
(8,8)
(2, 19)
(0,9)
(-12, 19)

Answers

Answer:

The domain is -12, 0, 2, 8.

Step-by-step explanation:

The domain is the set of all possible x-values. The x-values are the first numbers in a point.

The figure below depicts a triangle formed by the labeled
vertices. If each vertex point of the triangle is multiplied
by what would be the area of the resulting triangle?
(Triangles, Book 2)
(3, 3)
0.0)
09
0 13.5
0 15
18
O 27

Answers

9514 1404 393

Answer:

  (b)  13.5

Step-by-step explanation:

The upper vertex would be ...

  3/2(3, 3) = (4.5, 4.5)

and the right vertex would be ...

  3/2(4, 0) = (6, 0).

The base of the larger triangle would be 6, and its height would be 4.5. Then the area is ...

  A = (1/2)bh

  A = (1/2)(6)(4.5) = 13.5 . . . area of dilated triangle

Jess rounds a number, x to one decimal place
The result is 9.8
Write down the error interval for X​

Answers

The error interval when x is rounded off to 9.8 will be given as 9.75 ≤ x ≤ 9.84.

The number that is rounded off is:

x = 9.8

9.8 can be rounded off for 9.75 to 9.84

So, this means that:

9.75 ≤ x

or 9.84 ≥ x

So, the error interval becomes:

9.75 ≤ x ≤ 9.84

Therefore, we get that, the error interval when x is rounded off to 9.8 will be given as 9.75 ≤ x ≤ 9.84.

Learn more about error interval here:

https://brainly.com/question/24824625

#SPJ9

Simplify. Your answer should contain only positive exponents.
1) 2m² * 2m³
2) m⁴ * 2m⁻³
3) 4r⁻³ * 2r²
4) 4n⁴ * 2n⁻³
5) 2k⁴ * 4k
6) 2x³y⁻³ * 2x⁻¹y³

Answers

Answer:

1) simplified would be 4m^5

2) simplified would be 2m

3) would be 8/r

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