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3 years ago

11. Which of the following points is on the

Mathematics

2 answers:

exis [7]3 years ago

8 0

The answer is B. If you plug in 2 for x and 1 for y you’ll get 1.

3(2)-5(1)=1
6-5=1
1=1 (true statement)

Alona [7]3 years ago

7 0

Step-by-step explanation:

because it's is very important

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Darla has 3 times as many penciled as lucy. darla had 27 how many pencils does lucy have .

FrozenT [24]

Answer:

Step-by-step explanation:

just do 27 divided by 3

5 0

3 years ago

Read 2 more answers

2.3+0.02(x+20)-4.8=-9 Solve for x

Naya [18.7K]

Answer:

$x=-345$

Step-by-step explanation:

$2.3+0.02\left(x+20\right)-4.8=-9$

$\mathrm{Multiply\:both\:sides\:by\:}100$

$2.3\cdot \:100+0.02\left(x+20\right)\cdot \:100-4.8\cdot \:100=-9\cdot \:100$

$230+2\left(x+20\right)-480=-900$

$\mathrm{Subtract\:}230-480\mathrm{\:from\:both\:sides}$

$230+2\left(x+20\right)-480-\left(230-480\right)=-900-\left(230-480\right)$

$2\left(x+20\right)=-650$

$\mathrm{Divide\:both\:sides\:by\:}2$

$\frac{2\left(x+20\right)}{2}=\frac{-650}{2}$

$x+20=-325$

$\mathrm{Subtract\:}20\mathrm{\:from\:both\:sides}$

$x+20-20=-325-20$

$\bold{x=-345}$

5 0

2 years ago

Ben uses a compass and straightedge to bisect segment PQ, as shown: segment PQ with compass open to greater than half of segment

il63 [147K]

Answer: To be able to create two intersecting arcs above and below the line segment

Step-by-step explanation:

That is one of the steps to bisecting a line segment lol

7 0

2 years ago

A farmhouse shelters 11 animals. Some are goats and some are ducks. Altogether there are 34 legs. How many of each animal are th

andriy [413]

We are given that there are 11 animals with a total of 34 legs.

Let G = number of Goats, and D = number of Ducks

then G + D = 11; solving for G, we get G = 11 - D

then, 4G + 2D = 34

substituting the value for G, we get 4(11 - D) + 2D = 34

expanding, we get 44 - 4D + 2D = 34

solving, we get D = 5. Therefore, G = 6

Proof: (5 x 2) + (6 x 4) = 34

4 0

2 years ago

Is the graph of the line x=4 vertical or horizontal? A: vertical B: horizontal

kirill [66]

Answer:

yes

Step-by-step explanation:

3 0

2 years ago