MATHEMATICS HIGH SCHOOL

Write an equivalent expression for n x a using only addition

Answers

Answer 1

Answer: n*x*a=n+x+a

If n=1, x=2 and a=3.

Answer 2

Answer: n+a+x=x+a+n

90=90✅

n=15
x=20
a=55

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During a four-week period, you worked the following hours: Week 1- 363 /8 hr; Week 2- 411 /4 hr; Week 3- 401 /2 hr; Week 4- 383 /8 hr What is the average number of hours you worked in one week?A. 393 /8 hr B. 381 /4 hr C. 391 /8 hr D. 383 /4 hr
Choose the graph of the function given below.f(x) = 2x+1

If you watch 3 hours of television, What will the ratio be

Answers

Answer:

First part is 1:2 because there is 1 hour to every 2 shows. Second part is 3:6 shows because 3 hours is 6 shows. Hope this helps, please rate brainiest answer!

I think it could be possibly 1:9 because there is 1 hour to every 2 shows

A recent survey by the American Cancer Society shows that the probability that someone is a smoker is P(S) = 0.19. It has also determined that the probability that someone has lung cancer, given that he or she is a smoker, is P(LC|S) = 0.158. What is the probability (rounded to the nearest hundredth) that a random person is a smoker and has lung cancer P(S ∩ LC)?0.03
0.83
0.35
0.02

Answers

P(LC / S) = P(S intersect LC) / P(S)
P(S intersect LC) = P(S)*P(LC / S) = 0.19 * 0.158 = 0.03

Help please thank you

Answers

Answer:

see below

Step-by-step explanation:

This is a geomtric sequence

an = a1 r^(n-1)

a1 =1 and r=2

an = 2 ^(n-1)

A=a1 =1

B =a2 = 2^(2-1) =2

C =a3 = 2^(3-1) = 2^2 =4

D = a4 = 2^(4-1) = 2^3 = 8

E = a5 = 2^(5-1) = 2^4 = 16

F = a6 = 2^(6-1) = 2^5 = 32

G = a7 = 2^(7-1) = 2^6 = 64

H = a8 = 2^(8-1) = 2^7 = 128

A stereo costs £320. In a sale it is reduced by 25%. What is the sale price?

Answers

$320* (75)/(100) =320 * (25* 3)/(25* 4) =320* (3)/(4) = 80* 4 * (3)/(4) =80* 3 = \boxed {240}$

Plssssssss help me

-6(3-3a)-8(6a+5)=32

Answers

$-6(3-3a)-8(6a+5)=32 \n \n -18+18a-48a-40=32 \n \n -30a-58=32 \n \n -30a=90 \n \n \boxed{a=-3}$

Find the ratio AP/PB for 100 points ASAP

Answers

Answer:

$(1)/(2)$

Step-by-step explanation:

To find the ratio of AP/PB, find the distance between A and P, then P and B.

Distance between A(-5, 6) and P(1, 4):

$AP = √((x_2 - x_1)^2 + (y_2 - y_1)^2)$

Let,

$A(-5, 6) = (x_1, y_1)$

$P(1, 4) = (x_2, y_2)$

$AP = √((1 -(-5))^2 + (4 - 6)^2)$

$AP = √((6)^2 + (-2)^2)$

$AP = √(36 + 4) = √(40)$

Distance between P(-1, 2) and B(1, -2):

$PB = √((x_2 - x_1)^2 + (y_2 - y_1)^2)$

Let,

$P(1, 4) = (x_1, y_1)$

$B(13, 0) = (x_2, y_2)$

$PB = √((13 - 1)^2 + (0 - 4)^2)$

$PB = √((12)^2 + (-4)^2)$

$PB = √(144 + 16) = √(160)$

$(AP)/(PB) = (√(40))/(√(160))$

$= (√(40))/(2√(40))$

$= (1)/(2)$

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What is the first step in writing f(x) = 6x2 + 5 – 42x in vertex form?Factor 6 out of each term. Factor 6 out of the first two terms. Write the function in standard form. Write the trinomial as a binomial squared