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34kurt
3 years ago
14

Can some one help me solve these 3 questions?

Mathematics
1 answer:
worty [1.4K]3 years ago
5 0
7. A
8. Is the 1st picture
9.is the second picture

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four segments measure 16, 19, 43 and 50 centimeters. what is the probability that a triangle can be formed if three of these seg
neonofarm [45]
OK, a triangle first of all needs to have a certain condition satisfied. The length of one side of a triangle can not equal the length of 2 sides combined. So in a triangle a + b = c, a + b can not be less than c (a + b <span>≮ c</span>). Therefore, there are only a few possibilities that will work here. Let's find them:

16, 19, 43; no

16, 19, 50; no

16, 43, 50; yes

19, 43, 50; yes 

Since only 2 out of 4 form triangles, there is a 50% chance you'll pick the right segments to form a triangle.
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3 years ago
80 points!!
GaryK [48]

6/9 is equal to 2/3 is equal to 4/6. Equivalent fraction visually. Equivalent fractions on the number line. Equivalent fractions on the number line.

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3 years ago
Rick deposits $1,000 into an investment account which earns 4% annually. Sally loans $1,000 to a friend, and the friend agrees t
faltersainse [42]

the amount of money rick earned can be solve using the formula:

F = P (1+ i)^n

Where F is the future money

P is the initial money

i is the interest rate

n is the time

F = 1000 ( 1 + 0.04)^10

F = $ 1,480.24

Sally

F = 1000 + (50)(10)

F = $ 1500

So the answer is D

6 0
3 years ago
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Which phrase best describes the translation from the graph y = (x + 2)2 to the graph of y = x2 + 3?
Mashutka [201]

1. Consider the transformation that maps the graph of the function y=(x+2)^2 into the graph of the function y=x^2. This transmormation has a rule:

(x,y)→(x+2,y)

that is translation 2 units to the right.

2. Consider the transformation that maps the graph of the function y=x^2 into the graph of the function y=x^2+3. This transformation has a rule:

(x,y)→(x,y+3)

that is translation 3 units up.

Answer: correct choice is C.

7 0
3 years ago
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g If a snowball melts so that its surface area decreases at a rate of 4 cm2/min, find the rate (in cm/min) at which the diameter
maks197457 [2]

Answer:

Rate of change of the diameter is equal to 0.053cm/min

Step-by-step explanation:

A snowball is of the shape of a sphere

Surface area of Sphere (S)= 4*pi*R^2

Rate of change of surface area

dS/dt = -4cm^2/min

the negative sign indicates the surface area is decreasing.

Radius = d/2 where d represents diameter

using this is the surface area equation

S = 4*pi*(d/2)^2

   = pi*d^2

dS/dt = 2*pi*d*d(d)/dt

4 = 2*pi*d*(d)/dt

d(d)/dt = 2/12*pi= \frac{1}{6pi} cm/min

so the rate of change of the diameter is equal to 0.053cm/min

5 0
2 years ago
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