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Find the x- and y-intercept of the line. -2.9x + 5.4y = 140.94 Select one: a. x-intercept is -2.9; y-intercept is 5.4 b. x-inter

Troyanec [42]

-2.9x + 5.4y = 140.94

answer is y-intercept is 26.1
cause when y-intercept x = 0

-2.9(0)+ 5.4y = 140.94
5.4 y = 140.94
y = 140.94 / 5.4
y = 26.1

8 0

3 years ago

Write in slope intercept form 6x+2y=8

Gwar [14]

Answer:

y = -3x + 4

Step-by-step explanation:

Slope intercept form : y = mx +b

6x + 2y = 8

2y = -6x + 8

Divide the entire equation by 2

$\dfrac{2y}{2}=\dfrac{-6x}{2}+\dfrac{8}{2}$

y = -3x + 4

3 0

3 years ago

A carpenter needs to cut four sections, each 3–feet 8–inches long, from a piece of molding. If the board is only sold by the foo

KIM [24]

Alright, lets get started.

The length of each section what carpenter needs to cut is 3 feet and 8 inches.

Converting 3 feet and 8 inches into feet only, we know, $12 inches = 1 feet$

So, 3 feet 8 inches = $3 +\frac{8}{12} =3 +\frac{2}{3} =\frac{11}{3}$ feet

It means length of each section = $\frac{11}{3}$ feet

Carpenter needs to cut 4 sections, so length of 4 sections will be = $4*\frac{11}{3}=\frac{44}{3}=14\frac{2}{3} feet$

2/3 feet means 8 inches so she needs board 14 feet 8 inches

Board is only sold by the feet only so, she has to puchase 15 feet board. : Answer

Hope it will help :)

4 0

4 years ago

A 4.5 kg cat requires medication at a dose rate of 5 mg/kg once daily for the next 7 days. The tablets are available in 10 mg st

Marta_Voda [28]

Answer:

Approximately 16 tablets of medicine

Step-by-step explanation:

Based on the information above , we can use a Rule of Three to first figure out how many mg the cat would need to ingest per day.

$\frac{5mg}{1kg} = \frac{x}{4.5kg}$

$\frac{5mg*4.5kg}{1kg} = 22.5mg$

Now we see that the cat needs to take a daily dose of 22.5mg. Since the Tablets come at a strength of 10 mg per tablet then,

$22.5 / 10 = 2.25$

The cat would need to take 2.25 tablets per day. Since she needs to take the dose for the next 7 days then,

$2.25 * 7 = 15.75$

She would need to take approximately 16 tablets of medicine during the week .

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

5 0

4 years ago

Does anyone know what math topic this is?

katen-ka-za [31]

Answer:

If you're talking about things like Algebra and Geometry, its Geometry

If you're not, can you be more specific ? :D

3 0

3 years ago

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