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grandymaker [24]
3 years ago
11

Kareem correctly answered 85% of the questions on his last math test. If hee missed 6 problems, how many questions were there on

the test?
Mathematics
1 answer:
Reil [10]3 years ago
6 0
15% = 6 problems
30% = 12 problems
45% = 24 problems
60%= 36 problems
75%= 48 problems
95% = 60 problems

15%/3% =5%   6/3 =2 problems

100%= 62 problems
There were 62 questions on the test,
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The algebra tiles represent the perfect square trinomial x2 10x c. what is the value of c? c =
devlian [24]

The value of c for which the considered trinomial becomes perfect square trinomial is: 20 or -20

<h3>What are perfect squares trinomials?</h3>

They are those expressions which are found by squaring binomial expressions.

Since the given trinomials are with degree 2, thus, if they are perfect square, the binomial which was used to make them must be linear.

Let the binomial term was ax + b(a linear expression is always writable in this form where a and b are constants and m is a variable), then we will obtain:

(ax + b)^2 = a^2x^2 + b^2 + 2abx

Comparing this expression with the expression we're provided with:

x^2 + 10x + c

we see that:

a^2 = 1 \implies a = \pm 1\\b^2 = 10\\b = \pm 10\\2ab = c\\\pm2(10)1 = c\\c = \pm 20\\

Thus, the value of c for which the considered trinomial becomes perfect square trinomial is: 20 or -20

Learn more about perfect square trinomials here:

brainly.com/question/88561

6 0
2 years ago
Plllllllllllllzzzzzzzzzzzzzzzzzz<br> AAAAAAAAAAAAAAAAAAAAAAA
netineya [11]

Answer:

24/ 23

Step-by-step explanation:

To find the slope of a line passing through 2 points

m = (y2-y1)/(x2-x1)

    = (11 -  -13) /( 19 - -4)

    = (11+13)/(19+4)

    = 24/ 23

7 0
3 years ago
Answer this question to get marked as brainliest!!!!!
malfutka [58]

Answer:

23

Step-by-step explanation:

MLQ is likely a right angle so 90-32-35= 23

3 0
3 years ago
What is <br> -3x+3y=6<br> 3x+5y=-46
Mademuasel [1]

Answer:

x = -7 , y = -5

Step-by-step explanation:

Solve the following system:

{3 y - 3 x = 6 | (equation 1)

3 x + 5 y = -46 | (equation 2)

Add equation 1 to equation 2:

{-(3 x) + 3 y = 6 | (equation 1)

0 x+8 y = -40 | (equation 2)

Divide equation 1 by 3:

{-x + y = 2 | (equation 1)

0 x+8 y = -40 | (equation 2)

Divide equation 2 by 8:

{-x + y = 2 | (equation 1)

0 x+y = -5 | (equation 2)

Subtract equation 2 from equation 1:

{-x+0 y = 7 | (equation 1)

0 x+y = -5 | (equation 2)

Multiply equation 1 by -1:

{x+0 y = -7 | (equation 1)

0 x+y = -5 | (equation 2)

Collect results:

Answer: {x = -7 , y = -5

5 0
3 years ago
Does anyone know the question?
yan [13]

It definitely is an isosceles triangle, but I'm not certain as to what an acute isosceles triangle is.

7 0
3 years ago
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