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2 years ago

Plssss help (ALGEBRA 1 ) will mark brainlest

Mathematics

2 answers:

Dimas [21]2 years ago

7 0

Answer:

I'm confused by the layout of the first two, but I can help you with the last one!

The last one is C!

Step-by-step explanation:

Keith_Richards [23]2 years ago

3 0

Answer:

B) (x+2)

D) x-1

B) x^2+2x+1

Step-by-step explanation:

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While on vacation Craig bought a pair of sunglasses for $15.98 for $7.99 5 postcards and a beach towel the beach towel cost 0.50

NISA [10]

Answer:

$0.79.

Step-by-step explanation:

Let T= The price of beach towel,

P = The cost of each postcard.

S = The cost of sunglasses.

H = The cost of hat.

We have been given that while on vacation Craig bought a pair of sunglasses for $15.98. The beach towel cost 0.50 cents more than half the price of sunglasses.

We can set this information in an equation as:

$T=\frac{15.98}{2}+0.50$

$T=7.99+0.50$

$T=8.49$

We are told that Craig gave the cashier $40 and got 3.59 change and each postcard cost the same. So we can set this information in an equation as:

$T+5P+S+H=40-3.59$

Let us substitute our given values.

$8.49+5P+15.98+7.99=40-3.59$

Let us combine like terms.

$32.46+5P=36.41$

Let us subtract 32.46 from both sides of our equation.

$32.46-32.46+5P=36.41-32.46$

$5P=3.95$

Let us divide both sides of our equation by 5.

$\frac{5P}{5}=\frac{3.95}{5}$

$P=0.79$

Therefore, each postcard costs $0.79.

5 0

2 years ago

There is a line that includes the point (-10, -13) and has a slope of what is its equation

My name is Ann [436]

Answer:

I believe it is -13=-10m+c

Step-by-step explanation:

We use the slope intercept form of y=mx+c. y is the y intercept and x is -10

We plug in y=-13 and x=-10 to get

-13=-10m+c

4 0

2 years ago

.Ace! Professional tennis player Rafael Nadal hits the ball extremely hard. His first-serve speeds follow a Normal distribution

irga5000 [103]

We are given with
mean = 115
std dev = 6

First problem
P (Y > 121)
The z score for this is
z = (115 - 121) / 6
z = -1 which corresponds to a value of 0.1587
P (Y > 121) = 1 - 0.1587
= .8413 or 84.13%

Next problem
<span>P(Y ≤ c) = 0.15
corresponds to z score of
z = -1.04
calculating for c
-1.04 = (115 - c) / 6
c = 121.24</span>

5 0

2 years ago

10/12 To The Simplest Form Plz Halp

jarptica [38.1K]

In simplest form it would be 5/6 both can be divided by 2 which would equal 5/6

7 0

3 years ago

Read 2 more answers

The answer to 8 more stripes than a number h

Lubov Fominskaja [6]

So its the same thing as saying a constant(or number) plus h(or howwvwe many we have

so i would say the answer is 8+h

where the answer has 8 more stripes than h

6 0

3 years ago

Read 2 more answers