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3 years ago

Question 4 Multiple Choice Worth 1 points)

Mathematics

2 answers:

lions [1.4K]3 years ago

8 0

Answer:

B because 180 - 55 +55 u get 70 due to opposite sides x us also 70

Harman [31]3 years ago

4 0

Answer:

x=180-55-55=180-110=70° is your answer

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1. The sum of a two-digits number is 13. The tens digit is 8 less than twice the units digit. What is the number?

alexgriva [62]

Answer:

The number is 67

Step-by-step explanation:

Equations

Let's consider the number 83. The tens digit is 8 and the unit digit is 3. Note the tens digit's addition to the number is 80, and the unit's addition is 3. This means the tens digit adds 10 times its value, that is, 83 = 8*10 + 3.

Now, let's consider the number ab, where a is the tens digit, and b is the unit digit. It follows that

Number=10*a+b

The question gives us two conditions:

1) The sum of a two-digits number is 13.

2) The tens digit is 8 less than twice the units digit.

The first condition can be expressed as:

a + b = 13 [1]

And the second condition can be written as:

a = 2b-8 [2]

Replacing [2] into [1], we have:

2b-8 + b = 13

Operating:

3b = 13 + 8

3b = 21

Solving for b:

b = 21 / 3 = 7

Substituting into [2]:

a = 2*(7) - 8 = 6

Thus, the number is 67

3 0

4 years ago

WILL MARK BRANLIEST!!the tables below shows the values of y corresponding to different values of x

Kitty [74]

Answer: I'm pretty sure that it´s C but Im not sure.

Sorry if that's wrong.

7 0

3 years ago

Read 2 more answers

the number of women at a training workshop was two less than three times the number of men if 50 people attended the workshop ho

Anton [14]

Answer: 148

Work: 50 men multiplied by 3 =150
If there is two less women from 3 multiplied by 50 (150) , then 150 - 2 = 148

6 0

3 years ago

Which sentence describes a way to determine the missing number in the

Llana [10]

Answer:

70910 (c)

Step-by-step explanation:

You move the decimal point to the right each time.

5 0

3 years ago

This equation represents an exponential function that passes through the point (2, 80).

miss Akunina [59]

we know that

If the point belongs to the graph, then the point must satisfy the equation

we will proceed to verify each case

case A.) $f(x)=4(x^{5})$

The point is $(2,80)$

Verify if the point satisfy the equation

For $x=2$ find the value of y in the equation and compare with the y-coordinate of the point

$f(2)=4(2^{5})$

$f(2)=128$

$128\neq 80$

therefore

the equation $f(x)=4(x^{5})$ not passes through the point $(2,80)$

case B.) $f(x)=5(x^{4})$

The point is $(2,80)$

Verify if the point satisfy the equation

For $x=2$ find the value of y in the equation and compare with the y-coordinate of the point

$f(2)=5(2^{4})$

$f(2)=80$

$80=80$

therefore

the equation $f(x)=5(x^{4})$ passes through the point $(2,80)$

case C.) $f(x)=4(5^{x})$

The point is $(2,80)$

Verify if the point satisfy the equation

For $x=2$ find the value of y in the equation and compare with the y-coordinate of the point

$f(2)=4(5^{2})$

$f(2)=100$

$100\neq 80$

therefore

the equation $f(x)=4(5^{x})$ not passes through the point $(2,80)$

case D.) $f(x)=5(4^{x})$

The point is $(2,80)$

Verify if the point satisfy the equation

For $x=2$ find the value of y in the equation and compare with the y-coordinate of the point

$f(2)=5(4^{2})$

$f(2)=80$

$80=80$

therefore

the equation $f(x)=5(4^{x})$ passes through the point $(2,80)$

therefore

the answer is

$f(x)=5(x^{4})$

$f(x)=5(4^{x})$

6 0

3 years ago

Read 2 more answers