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Irina18 [472]
3 years ago
6

HELP ASAP!

Mathematics
1 answer:
Kruka [31]3 years ago
8 0

Answer:

calculator

Step-by-step explanation:

You might be interested in
Simplified -5(7+x)+2 5/6x
aivan3 [116]

Answer:

<h2>-35 + 2 1/6x</h2>

Step-by-step explanation:

-5(7+x) + 2 5/6x =

-35 - 5x + 2 5/6x

-35 - (-2 1/6) =

-35 + 2 1/6x

Hope that helps!

3 0
3 years ago
Read 2 more answers
Which statement explains how you could use coordinate geometry to prove that quadrilateral ABCD is a square?
pickupchik [31]
Options are not shown but…
A square has 4 equal length sides and a right angle

Or two equal length diagonals which are perpendicular

Or 4 right angled corners and two adjacent sides equal

Or perpendicular diagonals with the same midpoint

Using the last one…
Gradient of AC = (5 - 3)/(-3 - 3) = 2/-6 = -1/3
Gradient of BD = (7 - 1)/(1 - -1) = 6/2 = 3
-1/3 x 3 = -1 so AC and BD are perpendicular
Midpoint of AC = ((-3 + 3)/2 , (5 + 3)/2) = (0, 4)
Midpoint of BD = ((1 + -1)/2 , (7 + 1)/2) = (0, 4)
QED
3 0
2 years ago
The sum of their age 97. The difference of their ages is 19. Find their ages?
arsen [322]
Im not sure but I can at least try so I got one (29) and one (48)because I divided 97 by 2 since the sum is addition then I got 48 a subtracted 19 because subtraction is "difference"so I dont know if I'm wrong but at least I helped
5 0
3 years ago
What are the x-intercepts of the function f(x) = –2x^2 – 3x + 20?
Jet001 [13]

Answer:

(5/2,0) and(-4,0)

Step-by-step explanation:

I hope this helps.

5 0
3 years ago
Change decimal number 75 to base 2
stealth61 [152]
75|1\\37|1\\18|0\\.\ 9|1\\.\ 4|0\\.\ 2|0\\.\ 1|1\\\\75_{10}=1001011_2

75 : 2 = 37 (R=1)
37 : 2 = 18 (R=1)
18 : 2 = 9 (R=0)
9 : 2 =4 (R=1)
4 : 2 = 2 (R=0)
2 : 2 = 1 (R=0)
1 : 2 = 0 (R=1)

R - the remainder
7 0
3 years ago
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