3 years ago

Subtract the following write your answer in standard notation 18-9.2x10 to the negative power of 4

Mathematics

1 answer:

mixas84 [53]3 years ago

3 0

See if this helps(-_-メ)

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= 2. Given the quadratic equation 3x2 – 8x + k = 0 has no real roots. Find the range of values of k.

VashaNatasha [74]

$\text{If there are no real roots, then}\\\\~~~~~\text{Discriminant} < 0\\\\\implies b^2 -4ac < 0\\\\\implies (-8)^2 -4 \cdot 3 k < 0\\\\\implies 64-12k < 0\\\\\ \implies 12k > 64\\\\\implies k > \dfrac{64}{12}\\\\\implies k > \dfrac{16}3\\\\\text{Interval,}~ \left( \dfrac{16}3, ~\infty\right)$

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2 years ago

You order 10 large aspen trees from a nursery. They will deliver them to you at a cost of $25 for the first tree plus $5 for eve

natka813 [3]

Answer:

D. $70

Step-by-step explanation:

you can first think that the first tree is $25 plus the nine trees for 5 dollars so

5x9=45

45+25=70

Hope this helps :D

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2 years ago

Find the values of x and y, write your answer in simplest form.

tamaranim1 [39]

Answer:

Step-by-step explanation:

You have a 30-60-90 triangle. The sides of a 30-60-90 are in the ratio 1:√3:2.

The side opposite the 30° angle is 5, so the side opposite the 60° angle is 5√3, and the side opposite the 90° angle is 5×2 = 10.

x = 5√3

y = 10

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3 years ago

CUSTOMERS AT A STORE

Sphinxa [80]

Answer:

480

Step-by-step explanation:

On Thursday there were 400 customers

1/5 of 400 =80

Increase Thursday's amount by 80

400+80 = 480

Friday has 480

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3 years ago

Which of these is not a Pythagorean Triple?

Greeley [361]

Answer:

C because the rest are pythagoreaum theroems 1 squared plus 2 squared does not equal 3 squared.

Step-by-step explanation:

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3 years ago

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