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3 years ago

What early human development was necessary for survival in cold environments?

Mathematics

2 answers:

AlekseyPX3 years ago

5 0

I thought it would be c but try b or a

Black_prince [1.1K]3 years ago

5 0

(A) finding shelter in caves that’s where they also developed a form of illustration by drawing on caves

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11 The net force on a vehicle that is accelerating at a rate of 1.5 m/s² is 2,800 newtons. What is

ololo11 [35]

Answer:

$Mass = 1867kg$

Step-by-step explanation:

Given

$Force = 2800N$

$Acceleration = 1.5m/s^2$

Required

Determine the mass of the vehicle

This question will be answered using Newton's second law

$Force = Mass * Acceleration$

Substitute values for Force and Acceleration

$2800 = Mass * 1.5m/s^2$

Make Mass the subject

$Mass = \frac{2800N}{1.5m/s^2}$

$Mass = 1866.6667kg$

$Mass = 1867kg$ ---- approximated

Hence, the mass of the vehicle is 1867kg

4 0

3 years ago

I need help ASAP. If TU=10 and ST=15, What is the measure of the radius of the circle?

Svetach [21]

Answer:

5.6

Step-by-step explanation:

Use pythag to get SU. 10^2 + x^2 = 15^2, this will give you x = 11.2. 11.2 is the diameter of SU so divide it by 2 to get the radius. 11.2/2= 5.6.

3 0

2 years ago

Factor completely and explain 4xy-14x+16y-56

gulaghasi [49]

Answer:

2(2y−7)(x+4)

Step-by-step explanation:

Factor 4xy−14x+16y−56

4xy−14x+16y−56

=2(2y−7)(x+4)

5 0

3 years ago

Solve the inequality 3u+3(u+1)>2u+7 and write the solution in interval notation.

strojnjashka [21]

Given:

The given inequality is $3u+3(u+1)>2u+7$

We need to determine the solution of the inequality in interval notation.

Solution of the inequality:

The solution of the inequality can be determined by simplifying the inequality.

Thus, we have,

$3u+3u+3>2u+7$

$6u+3>2u+7$

Subtracting both sides by 3, we get;

$6 u>2 u+4$

Subtracting both sides by 2u, we have;

$4 u>4$

Dividing both sides by 4, we get;

$u>1$

Writing it in interval notation, we get;

$(1, \infty)$

Thus, the solution of the inequality is $(1, \infty)$

5 0

3 years ago

You mix 3 and one half quarts of juice with 5 and one fourth quarts of ginger ale to make fruit punch. What is the ratio of the

Romashka [77]

Answer:

1.5:2.25 because there is 1.5 quarts of juice and 2.25 quarts of ginger ale and the you put that with the to sign and there you have it

3 0

3 years ago