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Katyanochek1 [597]
2 years ago
7

QwQ hate math exams will mark brainliest and it’s worth 30 points <3

Mathematics
2 answers:
padilas [110]2 years ago
7 0

Answer:

About 8.6 units.

If you count up and sideways, it would be 12, but then there is some stuff we need to calculate at the end because it's not fully.

mixer [17]2 years ago
5 0

Answer:

B , 8.6

Step-by-step explanation:

5^2 + 7^2 = 74

square root of 74 is 8.6 hen rounded

I just learned about this lol its the Pythagorean theorem

You might be interested in
If n(A)=26, n(B)=41, and n(A ∩ B)=8, find n(A ∪ B).
miskamm [114]

n (AUB) = 59

Step-by-step explanation:

n(A U B) = n(A) + n(B) -n(A intersection B)

= 26+ 41- 8

= 59

8 0
3 years ago
Bertie has $12 to put gas in his car. If gas costs $3.75 per gallon, which ordered pair relating number of gallons of gas, x, to
Black_prince [1.1K]

Answer:

Step-by-step explanation:

Bertie's $12.00 will buy (12) / ($3.75/gal), or 3.2 gallons.

The ordered pair in quewtion is (3.2, $12),

3 0
3 years ago
What is the slope of –3x + 5y = 10? A. m = B. m = 5 C. m = – D. m = –3
nika2105 [10]

Answer:

The slope is 3/5

Step-by-step explanation:

–3x + 5y = 10

Rewrite the equation in slope intercept form  y = mx+b where m is the slope and b is the y intercept

Add 3x to each side

5y = 3x+10

Divide by 5

y = 3/5 x + 10/2

The slope is 3/5

7 0
2 years ago
I need help on 9 11 14 and 16
TEA [102]

Answer:

For 9 the answer is (4)

For 11  the answer is (5)

For 14 the answer is (4)

I cant see number 16 so maybe retake the photo thanks!

Step-by-step explanation:

9. squares have two sets of parallel lines

11. The only quadrilateral that has 3 different side lengths on this list is a trapezoid

14. It has no right angles meaning its not a square or rectangle. It has two sets of parallel sides meaning its not a trapezoid, and since it gives two different side lengths its not a rhombus since all sides muse be congruent to be a rhombus. The only one that matches is 4 a parallelogram

7 0
3 years ago
For which of the following equations are x = 5 and x = –5 both solutions?
Minchanka [31]
Short Answer B
Argument
A
A will give you x = +/- 5i 
x^2 + 25 = 0
x^2 = - 25       Take the square root.
sqrt(x^2) = +/- sqrt(-25)
x = +/- (5)i which is a complex number.


B
Is the answer
x^2 = 25
sqrt(x)^2 = sqrt(25)
x = +/- 5

C
Can't be factored just by looking at it. You can show that C is not true just by putting 5 into the equation
f(x) = x^2 + 10x - 25
f(5) = 25 + 10*5 - 25
f(5) = 50
C is not true.

D
D can be eliminated as C was
f(x) = x^2 - 5x - 25
f(5) = -25 ( l'll let you show this is not true). 5 is not a solution because it does not make f(x) = 0
6 0
3 years ago
Read 2 more answers
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