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3 years ago

9

Determine whether the following is an expression or an equation. -4+5-2=10x

1 answer:

Tresset [83]3 years ago

6 0

Equation
Because expressions don't contain equal signs

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In the Itty Bitty High School, there are 85 students. There are 27 students who take French, 51 who take Geometry and 38 who tak

andrew-mc [135]

Answer:

58 students

Step-by-step explanation:

Given

$Total = 85$

$French = 27$

$Geometry = 51$

$History = 38$

$None = 5$

$All = 2$

Required

Students that take only 1 subjects

The attached image illustrates the question.

For French only (x), we have:

$x + 7 -2+10-2+2=27$

$x + 15=27$

Collect like terms

$x =- 15+27$

$x =12$

For Geometry only (y), we have:

$y+10-2+15-2+2=51$

$y+23=51$

Collect like terms

$y=-23+51$

$y=28$

For History only (z), we have:

$z +15-2+7-2+2=38$

$z +20=38$

Collect like terms

$z =-20+38$

$z =18$

Students with one subject is then calculated as:

$1\ subject = x+y+z$

$1\ subject = 12 + 28 + 18$

$1\ subject = 58$

5 0

2 years ago

algol13

Answer: $ 38.69 ; There are 12 people in the crew

8 0

3 years ago

Aleksandr-060686 [28]

The list is needed in order to solve the problem, Im sorry but I can’t do anything with this information

5 0

2 years ago

Find the circumference and the area of a circle with radius 9 m

Natasha2012 [34]

Answer:

56.55

Step-by-step explanation:

2*3.14*9^2

8 0

3 years ago

Carmen's city took a telephone poll about a plan to build a new hotel downtown. 6,000 people took the poll. 25% of them were in

Nimfa-mama [501]

People were in favor of the new hotel=25% of 6000 people.
25% of 6000 people=(25/100)*6000=(25*6000)/100=1500 pople.

1500 people were in favor of the new hotel.

4 0

2 years ago