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iragen [17]
3 years ago
9

Save me, ​please. I don't understand any of it

Mathematics
2 answers:
fomenos3 years ago
5 0
12) 180-117= 63 w=63
63+31= 94 180-94=86 x=86
86+56=142 180-142=38 y=38

13) I'm not sure sorry
Bezzdna [24]3 years ago
3 0
Are you finding area? if you are, traingles are base times hight divided by 2. hope that helped!
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3x-4y+6=0 solve for y
DiKsa [7]

Answer: y=3/4x+3/2

Step-by-step explanation:

Let's solve for y.

3x−4y+6=0

Step 1: Add -3x to both sides.

3x−4y+6+−3x=0+−3x

−4y+6=−3x

Step 2: Add -6 to both sides.

−4y+6+−6=−3x+−6

−4y=−3x−6

Step 3: Divide both sides by -4.

−4y/−4= −3x−6/−4

y=3/4x+3/2

5 0
3 years ago
What are all the solutions of x2 + 3x – 4 = 0?
Ulleksa [173]
X^2 +3x-4=0
(X+4)(x-1)=0 so x = -4 and x=1 are solutions
8 0
3 years ago
Read 2 more answers
URGENT will give brainliest!!! Element X decays radioactively with a half life of 5 minutes. If there are 540 grams of Element X
yKpoI14uk [10]

Answer:

7.2 minutes

Step-by-step explanation:

The formula to find the time using the radioactive decay rate formula is given as:

t = t½ × In(Nt/No)/-In2

Where

t½ = half life = 6 minutes

No = Initial Amount = 260 grams

Nt = Amount after decay

= 113 grams

Hence:

t = 6 × In(113/260)/-In2

t = 7.2131331036796 minutes

Approximately = 7.2 minutes

7 0
2 years ago
Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the dista
scZoUnD [109]
The answer to this question 
is 60mph 

3 0
3 years ago
Kendra had twice as much money as kareem. Kendra later spent $8 and kareem earned $6. By then,the two had the same amount of mon
Svet_ta [14]

Answer:

x = 2y

x - 8 = y + 6

replace x by 2y in the second equation

2y - 8 = y + 6

y - 8 = 6

y = 14

x = 2*14 = 28

Kendra had $28 and Kareem had $14.

6 0
3 years ago
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