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Goshia [24]
3 years ago
12

I reallyyy need help on these two questions please help ❤

Mathematics
1 answer:
zimovet [89]3 years ago
6 0
Posted 4 days ago no need for an answer
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WILL GIVE BRAINIEST, Please help me ASAP, I'm confused, a picture of the worksheet is above.
Black_prince [1.1K]

Answer:

look at the picture

Step-by-step explanation:

for the triangles with lines on the sides, heres what it means:

The dashes on the lines show they are equal in length.

5 0
2 years ago
Read 2 more answers
The area of a rectangle is 70 m², and the length of the rectangle is 11 m less than three times the width. Find the dimensions o
11111nata11111 [884]

Step-by-step explanation:

the area of a rectangle is

length × width

in our case

length × width = 70 m²

length = 3×width - 11

we can use this second equation in the first and get

(3×width - 11) × width = 70

3×width² - 11×width - 70 = 0

the general solution to a quadratic equation is

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

a = 3

b = -11

c = -70

x = (11 ± sqrt((-11)² - 4×3×-70))/(2×3) =

= (11 ± sqrt(121 + 840))/6 =

= (11 ± sqrt(961))/6

x1 = (11 + 31)/6 = 42/6 = 7

x2 = (11 - 31)/6 = -20/6 = -10/3

the negative solution is not applicable for a length in an object.

so, only x1 = 7 m is our solution.

the width of the rectangle is 7 m.

the length = 3×width - 11 = 3×7 - 11 = 21-11 = 10 m

7 0
2 years ago
Which equation represents the cross products?
AleksAgata [21]

the answer will be A. its the right answer


4 0
3 years ago
Which expression is equivalent to 2.3 multiply 2.3 multiply 2.3 multiply 2.3 multiply2.3?
777dan777 [17]

Answer:

C 2. 35

Step-by-step explanation:

7 0
3 years ago
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kevin has a yearly income of $68,280. His total state and federal income tax for the year is $12,048. What is his monthly net in
il63 [147K]
56,232 there you go you should try this one i did it like this

 -68,280
  12,048
 
56232

7 0
3 years ago
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