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Yuki888 [10]
3 years ago
13

————————————— Please heeeeeeeelp —————————————

Mathematics
1 answer:
katen-ka-za [31]3 years ago
3 0

Answer:

i see a select where's the choises

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A dog groomer could clean five dogs in an hour. how many could they clean in two sixths of an hour?
DENIUS [597]
2/6 = 1/3
1/3 of hour = 20minutes
5 / 3 = so 1 and 2/3 (?) dogs = 20 minutes
8 0
4 years ago
Is anyone good at math and can help with this, or at least the first one and explain how to do it?​
Anna007 [38]

now, bear in mind that all these ones are lines, and to graph a line all you need is two points, so let's pick a couple of random values for say "x" and let's see what we get for "y" and that's our x,y point.

3)

9x+4y=-16\implies \stackrel{\textit{using x = 0}~\hfill }{9(0)+4y=-16}\implies 4y=-16 \\\\\\ y=\cfrac{-16}{4}\implies y=-4~\hspace{10em}(0~~,~~-4) \\\\[-0.35em] ~\dotfill\\\\ 9x+4y=-16\implies \stackrel{\textit{using x = -4}~\hfill }{9(-4)+4y=-16}\implies -36+4y=-16 \\\\\\ 4y=20\implies y = \cfrac{20}{4}\implies y = 5~\hspace{10em}(-4~~,~~5)

check the red line in the picture below.

4)

5x+2y=8\implies \stackrel{\textit{using x = 0}~\hfill }{5(0)+2y=8}\implies 2y=8\implies y=\cfrac{8}{2}\implies y=4 \\\\\\ ~\hspace{10em}~\hspace{10em}(0~~,~~4) \\\\\\ 5x+2y=8\implies \stackrel{\textit{using x = 4}~\hfill }{5(4)+2y=8}\implies 20+2y=8\implies 2y=-12 \\\\\\ y=\cfrac{-12}{2}\implies y=-6~\hspace{10em}(4~~,~~-6)

check the blue line in the picture below.

8 0
3 years ago
Solve for m. m/9 +16 <17
-Dominant- [34]
Any negative number
5 0
3 years ago
A number y is 3 times greater than a number x. Which equation shows this relationship
vladimir1956 [14]

Answer:

y = 3x

Step-by-step explanation:

y is 3 times greater than x. So to get Y you would have multiply x 3 times. 3x = 3 * x.

6 0
3 years ago
Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 3. (Input decimals only, such as 12.71, as the answer.)
sveta [45]

Answer:

87.92

Step-by-step explanation:

3.14(a² + ab)

= 3.14 (4² + 4 × 3)

= 3.14 (16 + 12)

= 3.14 × 28

= 87.92

Hope it helps :)

Please mark my answer as the brainliest

3 0
3 years ago
Read 2 more answers
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