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3 years ago

Math please help !!!!!

Mathematics

1 answer:

bixtya [17]3 years ago

7 0

Answer:

hope it helped

Step-by-step explanation:

2nd one is the answer

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Which of these numbers are greater than 3. 2 × 10-3? 2. 1 × 10-3 4. 2 × 10-4 5. 2 × 10-2 5. 2 × 10-1.

leonid [27]

Answer:

your answer would be 4.2 x 10-4

Step-by-step explanation:

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2 years ago

(6z²+z-1)(9z-5) polynomial equation

olasank [31]

Hi there, (6z²+z-1)(9z-5)=(6z²+z+-1)(9z+-5)=(6z²)(9z)+(6z²)(-5)+(z)(9z)+(z)(-5)+(-1)(9z)+(-1)(-5)=54z³-30z²+9z²-5z-9z+5=54z³-21z²-14z+5. Therefore, the answer is 54z³-21z²-14z+5.

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3 years ago

How do you do these geometry?

siniylev [52]

Answer:

The angles are 45°, 60° , 75°

Step-by-step explanation:

<h3>Angle sum property:</h3>

Sum of all the angles of a triangle is 180°.

Equation:

3x + 5x + 4x = 180

Combine like terms,

12x = 180

x = 180/12

$\sf \boxed{x = 15}$

3x = 3 *15 = 45°

5x = 5* 15 = 75°

4x = 4 *15 = 60°

4 0

2 years ago

Read 2 more answers

If varies inversely as . It is known that = 10 when = 3, find the value of when = 5.

Leto [7]

Answer:

y = 6

Step-by-step explanation:

If x varies inversely proportional as y.

$x=\dfrac{k}{y}$ , k is constant of proportionality

k = xy

When x = 3 and y = 10

k = 3×10

k = 30

Put x = 5,

$y=\dfrac{k}{x}\\\\y=\dfrac{30}{5}\\\\y=6$

So, the value of y is 6 when x is 5.

8 0

2 years ago

38% of 1200 Otto middle school students are 6th how many auto students are sixth graders

kramer

Answer:

456 students

Step-by-step explanation:

38% = 0.38

1200 x 0.38 = 456

6 0

2 years ago