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3 years ago

6

How do you factor this problem. 3d^2+10d+7

1 answer:

uysha [10]3 years ago

4 0

3d^2+10d+7 factored would look like: (d + 1) (3d + 7)

Answer (d + 1) (3d + 7)

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Simplify sin x / CSC x + cos x / sec x

Artyom0805 [142]

sinx/cscx =sinx x sinx =sin^2x
cosx/secx=cosx x cosx=cos^2x
sin^2x+cos^2x=1 "trigonometric identity"

8 0

3 years ago

Can you please answer this question?

liraira [26]

300miles/20sec=?miles/1min
900miles/60sec=?miles/1min
900miles/1min=?miles/min
?=900 miles

3 0

3 years ago

Read 2 more answers

Solve by simplifying the problem. There are 18 students in Mr. Alvarez’s art class. Throughout the year, every student must pair

Alla [95]

We are given with an 18 student class that is working a project worked by pairs. Each pair works on a project. In this case, there are 9 teams of 2 individuals working on a single project. Hence for a year or school year, there are 9 projects accomplished each time.

5 0

3 years ago

3. Suppose the mystery bag had resulted in the following number of red chips. Using the simulated sampling distributions found e

Vinvika [58]

Answer:

a) 0.172

b) 0.167

c) 0.1404

Step-by-step explanation:

Margin of error, E = $2\times\sqrt{\frac{p(1-p)}{n}}$

here,

p = probability of the event

n = sample size

a) n = 30

p = 10 ÷ 30 = 0.333

Therefore,

E = $2\times\sqrt{\frac{0.333(1-0.333)}{30}}$

= 2 × 0.0861

= 0.172

b) n = 30

p = 21 ÷ 30 = 0.7

Therefore,

E = $2\times\sqrt{\frac{0.7(1-0.7)}{30}}$

= 2 × 0.0836

= 0.167

c) n = 30

p = 22 ÷ 50 = 0.44

Therefore,

E = $2\times\sqrt{\frac{0.44(1-0.44)}{50}}$

= 2 × 0.0702

= 0.1404

3 0

3 years ago

1/2 log2x=3log23 rewrite with out using logarithmic

Brums [2.3K]

Answer:

729

Step-by-step explanation:

$\frac{1}{2}log_{2}x=3log_{2}3 \\$

$log_{2}\sqrt{x} =log_{2}3^{3}$

$\sqrt{x} =27 \\$

x=27²=729

7 0

3 years ago