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NeTakaya
2 years ago
10

In science classroom: 19 students have a brother, 15 students have a

Mathematics
2 answers:
Fiesta28 [93]2 years ago
8 0
It should be 33 or 47
SpyIntel [72]2 years ago
8 0

Answer:

It should be 33 students.        

Step-by-step explanation:

let's just suppose that x students are in the classroom.

Brother : The whole minus - 19

Sister : The whole minus - 15

No sibling : the whole minus - 6

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A line l2 is perpendicular to the line x + 2y – 5 = 0 without computing the gradient of this
Stells [14]

Answer:

y=2x-2

Step-by-step explanation:

first, let's put the line into y=mx+b form (slope-intercept form), where m is the slope (or gradient) and b is the y intercept

add 5 to both sides

x+2y=5

subtract x from both sides

2y=-x+5

divide by 2

y=-1/2x+5/2

perpendicular lines have slopes (gradients) that are negative (one is positive, another one is negative) and reciprocal (they are essentially the same number, just "flipped")

to find the slope of I2:

since -1/2 is negative, that means the slope of I2 will be 2 (2/1 is the reciprocal of 1/2 (positive version of -1/2))

so here's our equation so far:

y=2x+b

now we need to find b

because line will pass through (3,4), we can use it to solve for b

substitute 4 as y and 3 as x

4=2(3)+b

multiply

4=6+b

-2=b

therefore the equation is y=2x-2

hope this helps!!

3 0
3 years ago
Bonus: double your money! One bank promises they can double your money if you invest
MAVERICK [17]

Answer:

Y'all playing with me........right???

8 0
3 years ago
DO YOU KNOW YOUR GOVERNMENT? According to a recent study by the Annenberg Foundation, only 36% of adults in the U.S. Could name
arlik [135]

Answer:

True

Step-by-step explanation:

Annenberg Public Policy Center of the University of Pennsylvania conducted certain surveys that reveal that Americans display greater doubts when they are asked questions around the basic duties of their government.

1,416 adults were surveyed and the details were released on September 17, 2014, for the Constitution Day. It was observed that 36 percent of those survey could name the three branches of their national government while 35 percent could not even attempt to name any.  

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Last math question. 6th grade math
Karolina [17]

Answer:

The bag contains fewer than 10 carrots.

Catherine biked farther than 10 miles.

The chair is shorter than 20 inches.

Carlos scored over 20 points.

Hope that helps you sorry if it doesn't.

4 0
2 years ago
Read 2 more answers
7 increased by a number w
amid [387]

Answer:

The answer is

w + 7

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3 years ago
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