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evablogger [386]
3 years ago
13

Find the value of each variable that ensures that each equilateral is a parallelogram

Mathematics
1 answer:
puteri [66]3 years ago
8 0
Opposite sides are equal in a parallelogram.

3a-12 = \frac{1}{2}a-7

\frac{5}{2}a = 5

a = 2
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An observation deck extends 120 feet out above a valley. The deck sits 70 feet above the valley floor. If an object is dropped f
Rzqust [24]

Answer:

2

Step-by-step explanation:

The height formula given is:

h = -16t^2 + 70

That means the object will be initially (t=0) at the height 70 feet, from where it will be dropped.

If we want to know the time when the object will be at height 6 feet, we just need to use h=6 in the equation, and then calculate the value of t:

6 = -16t^2 + 70

16t^2 = 64

t^2 =4

t = 2 s

So, it will take 2 seconds for the object to be 6 feet above the valley floor.

8 0
3 years ago
How do i show my work for 12.62 divide by 0.4
insens350 [35]
3.155





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3 0
3 years ago
The lifespan of a guinea pig is 6 years less than that of a giraffe. The lifespan of a tiger is 4 times that of the guinea pig.
faust18 [17]
Guinea pig (p) = 4 years old
Giraffe (g) = 10 years old
Tiger (t) = 16 years old

P = g-6
T = 4p

30 = g+g-6+(4(g-6))
30 = 2g-6+4g-24
30 = 6g-30
+30 +30
60 = 6g
6 6
10 = g

P = 10-6
P = 4

T = 4(4)
T = 16
8 0
2 years ago
Nikki bought a patio set on sale for $480. The original price was $850. What was the rate of discount?
ASHA 777 [7]

Answer:

43.5 % decrease

Step-by-step explanation:

Take the original price and subtract the new price

850-480

370

Divide by the original price

370/850

.435294118

Change to percent form by multiplying by 100

43.5294118 % decrease

43.5 % decrease

3 0
2 years ago
What 1 7/8 × 2 3/8 will be equal to,greater than or less than 2 3/8
Sunny_sXe [5.5K]

Answer:

greater than

Step-by-step explanation:

Since 2 \frac{3}{8} is being multiplied by a number greater than 1, the result will be greater than 2 \frac{3}{8}

If the multiplier was 1 then the result would be equal to 2 \frac{3}{8}

If the multiplier was between 0 and 1 the result would be less than 2 \frac{3}{8}

5 0
2 years ago
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