3 years ago

Please help don't understand

Mathematics

1 answer:

Marizza181 [45]3 years ago

3 0

I'm guess it 5 because you need to find you greatest common factors

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If 40% of students in the class are boys, and if there are 15 girls in the class, then how many students are in the class

sveticcg [70]

Answer: 25 students 15 girls 10 boys

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3 years ago

2x+3y=0 and x+2y=-1 Solve by substitution

dmitriy555 [2]

Answer:

The solution of the given equations is (-3,2)

Step-by-step explanation:

Step:1

The Given equations are 2 x+3 y=0 .......(1)

x+2 y-1 =0.........(2)

Step 2:-

Solving both equations by using substitution method

multiply equation (2) with number '2' ,

2 x+4 y-2=0.......(3)

subtracting the equations (1) and (3) and cancelled 'x' terms

we get $3y-4y=0-2$

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Step 3:-

substitute y= 2 in equation (1) we get

$2 x+3 y=0$

$2 x+3(2)=0$

$2 x=-6$

$x=-3$

Final answer:-

The solution of the given equations is (-3,2)

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4 years ago

Lan worked 25 hours at the grocery store last week and 36 hours this week.

patriot [66]

Answer: That means that throught both weeks, he worked 51 hours total or 2 days and 3 hours

Step-by-step explanation:

8 0

3 years ago

30 POINTS. WILL MARK BRAINLIEST. PLZ ANSWER ASAP.

makkiz [27]

Answer:

3a - b

Step-by-step explanation:

Drama club: a

Since there are twice as many students in the cooking club as in the drama club,

Cooking club: 2a

Both: b

Total students = C + D - both

= 2a + a - b

= 3a - b

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3 years ago

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Dvinal [7]

Answer:

Step-by-step explanation:

Hypotenuse = longest side length

The longest side length of this triangle is side AP so the hypotenuse is AP

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2 years ago