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sesenic [268]
4 years ago
14

(2x+5y)-10(z-3) Can someone tell me how to simplify this plz!?

Mathematics
1 answer:
inna [77]4 years ago
6 0

Answer:

(2x+5y)-10(z-3)  We'll multiply the right side term

(2x+5y) -10 * (z-3)  then we'll add the terms:

2x + 5y -10z + 30

Step-by-step explanation:

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An architect is sketching a blueprint of a patio for a new fence. On the blueprint, C is the midpoint of segment AD. Point B is
Gre4nikov [31]

Answer:

<u><em>The length of AD is 32 feet</em></u>

Step-by-step explanation:

<u>Proportional distances </u>

When distances are proportions of others, we can express all of them as relative fractions until we reach some known distance and solve for the desired length

Let's call x the length of AD. Given C is the midpoint of AD, then

\displaystyle AC=CD=\frac{x}{2}

Given B is the midpoint of AC, then

\displaystyle AB=BC=\frac{AC}{2}=\frac{x}{4}

If we know BC=8 feet

\displaystyle \frac{x}{4}=8\ feet

\displaystyle x=32\ feet

The length of AD is 32 feet

4 0
3 years ago
Write the equation of a piecewise function with a jump discontinuity at x =3. Then, determine which step of the 3-step test for
seraphim [82]

Answer:

Here's a possible example:

Step-by-step explanation:

f(x) =\begin{cases} x & \quad x < 3\\x+3 & \quad x \geq 3\\\end{cases}

Each piece is linear, so the pieces are continuous by themselves.

We need consider only the point at which the pieces meet (x = 3).

\displaystyle \lim_{x \longrightarrow 3^{-}} f(x) = \lim_{x \longrightarrow 3^{-}} x = 3\\\\\displaystyle \lim_{x \longrightarrow 3^{+}} f(x) = \lim_{x \longrightarrow 3^{+}} x+3 = 6\\\\f(3) = x + 3 = 6\\\\\displaystyle \lim_{x \longrightarrow 3^{-}} f(x) \neq f(3)

The left-hand limit does not equal ƒ(x), so there is a jump discontinuity at x =3.

5 0
4 years ago
Factor by using the distributive property: 8x - 4y + 20.
STatiana [176]
D since if you just use the prophet
6 0
3 years ago
When Mrs. Carter got a flat tire, 73% of the 32 pounds of air in the tire escaped.
Lorico [155]

Step-by-step explanation:

100% = 32

73% = 73×1% = 73×100%/100 = 73×32/100 = 23.36 pounds.

for an estimate I would round up to 75% = 3/4, and then calculate quickly 32 × 3/4 = 8×3 = 24 pounds.

8 0
2 years ago
Which is rational and which is irrational?
AlekseyPX

pi is not rational

3 pi is not rational


Squareoot 101 is not rational


0.6 is rational


1

1/2 is rational


16.5 is rational


-square root 25 is rational


2 to the power of 4 is rational


-10 is rational


3/2 is rational


you’re welcome




4 0
2 years ago
Read 2 more answers
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