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Amiraneli [1.4K]
3 years ago
5

What is the constant of proportionality of 3y = 27x

Mathematics
1 answer:
Misha Larkins [42]3 years ago
3 0

Answer:

9

Step-by-step explanation:

3y = 27x

We want to find k  when y = kx

Divide each side by 3

3y/3 = 27x/3

y = 9x

The constant of proportionality is 9

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Elkins Pointe basketball team purchased equipment and uniforms for a total cost of $912. The equipment cost$612 and the uniforms
otez555 [7]

Answer:

Total cost of equipment was $612. The remaining amount was spent on uniforms.

To find out how many uniforms were purchased,

Total cost of uniforms

=$912-$612

=$300

Number of uniforms purchased

=

$

300

$

25

=12

Step-by-step explanation:

8 0
3 years ago
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Laura is saving money to buy a bike. She has $52 and is going to save an additional $8 each week. The bike costs $164. In how ma
Montano1993 [528]
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164-52=112
112/8=14
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2 years ago
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Solve the following triangle completely.
RUDIKE [14]

Answer:

The answers is below in bold.

Step-by-step explanation:

(a) A = 180 - 25.6 - 124.4 = 30 degrees.

Next use the Sine Rule:

b / sin B = c / sin C

b / sin 25.6 = 39.2/sin 124.4

b = (39.2 * sin 25.6) / sin 124.4

b = 20.53 m.

Also

a / sin A = c / sin C

a / sin 30 = 39.2 / sin 124.4

a =  (39.2 * sin 30 / sin 124.4

a = 23.75 m.

b). This is solved in a similar way to (a).

First find angle C  using the sine rule.

Then you will know angle A  from the 180 degree Rule.

Then you can find the length of  a using the Sine Rule.

4 0
3 years ago
Can you please help me with this question please help and i will give you a Brainiest
patriot [66]

Answer:

Cans for food drive

Step-by-step explanation:

6 0
3 years ago
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6x^2-4xy-15xy+10y^2 factor by grouping
PtichkaEL [24]
4 answers · Mathematics
Best Answer
We will need to split the middle term and use the grouping method. To do this multiply the coefficient of the first term (6) against the coefficient of the last term (10):

6 * 10 = 60
Factors of 60 = +-(1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60)

From the list of factors find two numbers that when added together give -19 and when multiplied together give 60. -15 and -4 added together give -19 and multiplied together give 60 so split the middle term by rewriting these values back into the expression:

6x^2 - 15xy - 4xy + 10y^2

Now use the grouping method, take out the highest common factor between the two sets of terms:

3x(2x - 5y) - 2y(2x - 5y)

Group the outside terms:

(3x - 2y)(2x - 5y)


Answers
6 = -3*-2
10 = 5*2
5*3+2*2=19
thus
(2y-3x)(5y-2x)
8 0
3 years ago
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