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Lerok [7]
4 years ago
13

Factor 3x^2 - 19x - 14

Mathematics
1 answer:
pav-90 [236]4 years ago
3 0

Answer:

( 3 x + 2 ) ( x − 7)

Step-by-step explanation:

im just good ahah

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Geometry PLS HELP due soon
egoroff_w [7]

Answer:

(3) x = 7.5 and y = 51

(4) x = 6

Step-by-step explanation:

Question 3

Required

Solve for x and y

We have:

16x - 18 + 10x +3 = 180 --- angle on a straight line

Collect like terms

16x  + 10x = 180 + 18 - 3

26x = 195

Solve for x

x = 195/26

x = 7.5

Also:

16x - 18 = 2y ---- opposite angles

So, we have:

16 * 7.5 - 18 = 2y

120 - 18 = 2y

102 = 2y

Divide by 2

51 = y

y = 51

Question 4:

Required

Solve for x

We have:

11x - 2 + 5x - 4 = 90 ---- angle at right-angled

Collect like terms

11x + 5x = 90 +2 + 4

16x = 96

Divide by 16

x = 6

7 0
3 years ago
The accounting department analyzes the variance of the weekly unit costs reported by two production departments. A sample of 16
Sergio [31]

Answer:

We can conclude that the result is significant and production differ in cost variance.

Step-by-step explanation:

Given :

n1 = 16

n2 = 16

s1² = 5.7

s2² = 2.8

α = 0.10

H0 : σ1² = σ2²

H1 : σ1² ≠ σ2²

The test statistic :

Ftest = s1² / s2² =

Ftest = 5.7 / 2.8

Ftest = 2.036

Using the Pvalue from Fratio calculator :

df numerator = 16 - 1 = 15

df denominator = 16 - 1 = 15

Pvalue(2.036, 15, 15) = 0.0898

Pvalue = 0.0898

Since the Pvalue is < α ; We can conclude that the result is significant and production differ in cost variance.

3 0
3 years ago
Solve the inequality -55x/2-10&gt;-185/2
inessss [21]
The solution to the problem is x < 31/55
6 0
3 years ago
A baseball glove is on sale for $34.00, which is 15% off of its original price. What was the original price of the baseball glov
Y_Kistochka [10]

Answer: $40.00

Step-by-step explanation:

To find the original price, you would need to utilize the equation Original Price = Sales Price ÷ (1 - Discount). In this equation, Discount refers to the percentage of discount.

Original Price = $34.00 ÷ (1 - 0.15)

Original Price = $34.00 ÷ (0.85)                      

Original Price = $40.00

3 0
3 years ago
The solar panel on mandys calculator has an area of (7x^2+x)cm^2. Factor this polynomial to find possible expressions for the di
slava [35]
The dimension will be x(7x+1) centimetres squared
8 0
3 years ago
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