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SVETLANKA909090 [29]

3 years ago

9

Next school year two out of every seven students plan to take an elective computer course if there are 2576 students at the high

school how many computer student should the school plan for

1 answer:

Gre4nikov [31]3 years ago

8 0

2/7 multiples by 2576
= 736

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4x + y =3<br> x + y - z = 9<br> 2x + 2y + z = 0

uranmaximum [27]

Answer:

$[0, 3, -6]$

Step-by-step explanation:

{4x + y = 3

{x + y - z = 9 ←

{2x + 2y + z = 0 ←

{4x + y = 3

{3x + 3y = 9 >> Combined equation

−¾[4x + y = 3]

{−3x - ¾y = −2¼ >> New Equation

{3x + 3y = 9

_________

2¼y = 6¾

___ ___

2¼ 2¼

$y = 3$ [Plug this back into all three equations to get the z-value of −6, and the x-value of 0]; $0 = x$ ; $-6 = z$

I am joyous to assist you anytime.

4 0

3 years ago

A one-celled, aquatic organism called a dinoflagellate is 1000 micrometers long. A microscope magnifies the dinoflagellate 100 t

Dimas [21]

Is it 100 because it just is done ya and 1000

8 0

2 years ago

AB is tangent to circle O at A. The diagram is not drawn to scale. if AO=21 and BC=14, what is AB?

barxatty [35]

Ab would equal to 7 using tringle steps

7 0

2 years ago

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Help on these two plz help asp it's due tomorrow plz

zimovet [89]

Answer:

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Step-by-step explanation:

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3 years ago

What is the volume of a rectangular prism with length 7 cm, height 8 cm, and width 15 cm? A. 840 cm3 B. 840 cm2 C. 840 cm

SVETLANKA909090 [29]

It would be A
8*7*15=840

3 0

2 years ago