Do anyone know what these mean...

Answer:

the answer is one solution

Answer:

One solution

Step-by-step explanation:

y=2x+7

y=3x-1   (Multiply this by -1)

-y = -3x + 1

y=2x+7

0 = -x + 8

-x = -8

x = 8

y=2x+7

y= 2(8)+7

y = 16 + 7

y = 23

(8, 23)

Answer:

sen 30; cos 60

Step-by-step explanation:

3(2x-5)+2x+3=1

6x-15+2x+3=1

8x-12=1

    +12 +12

8x=13

/8   /8

x=1.625

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sorry if this doesn't help

Answer:

Federcio's age possible values are those that are greater than 14 i.e 15, 16, 17 and so on

Step-by-step explanation:

Let Federico's age = x

Three times the difference of Federico’s age, and 4 means:

3(x - 4)

Increased by 7:

3(x - 4) + 7

Is greater than 37:

3(x - 4) + 7 > 37

Solving the inequality:

3x - 12 + 7 > 37

3x - 5 > 37

3x > 37 + 5

3x > 42

x > 14

Federcio's age possible values are those that are greater than 14

Answer:

m<1 = 145

Step-by-step explanation:

I'm going to name the unkown angle y for clarification

<1 will be x

y + 115 + 30 = 180

y + 145 = 180

y = 35

x + y = 180

x + 35 = 180

x = 145

Answer:

M angle 1 = 145

Step-by-step explanation:

The measurement of angle one is a combination of all the angles present in the triangle. This means that 115+30 is equal to angle 1

Answer:

y = -2/7x + 4

Here's link to the answer:

tinyurl.com/wpazsebu

Answer:

It is 9

Step-by-step explanation:

2÷18=9

x=9

Hope ld this helped you

Answer:

C. x = -4, 5/2

Step-by-step explanation:

Answer:

C.

Step-by-step explanation:

I did the quadratic formula, so 2 is A, 3 is B, and -20 is C. I got -4 and 5/2 as my answers...

(hope this helps :P)

Answer:

100%-75%= 25%

...........

The percentage that represents the number of salmon decrease when passing through a single dam will be 25%.

The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates for one hundred percent. It is symbolized by the character '%'.

The percentage is given as,

Percentage (P) = [Final value - Initial value] / Initial value x 100

75% of salmon pass through a single dam unharmed.

The percent that represents the number of salmon decrease when passing through a single dam will be given as,

⇒ 100% - 75%

⇒ 25%

The percentage that represents the number of salmon decrease when passing through a single dam will be 25%.

More about the percentage link is given below.

https://brainly.com/question/8011401

#SPJ2

Answer:

X=8

Step-by-step explanation:

48+22=70

4×8=48

so X is 8

Answer:

5y+4x

Step-by-step explanation:

Answer:

4x + 5y

Step-by-step explanation:

3y + 3x + 2y + x

4x + 5y

Answer:

The answer is B

Step-by-step explanation:

Answer: 10 I think not sure

Step-by-step explanation: 1/2 base times height-> 1/2(6•10)

Answer:

[tex]y = x -3[/tex]  

Step-by-step explanation:

1) First, find the slope by using the slope formula, [tex]m = \frac{y_2-y_1}{x_2-x_1}[/tex]. We can see that the two points marked on the line are (0, -3) and (3,0). So, substitute the x and y values of those points into the formula and solve:

[tex]m = \frac{(0)-(-3)}{(3)-(0)} \\m = \frac{0+3}{3-0} \\m = \frac{3}{3} \\m=1[/tex]

So, the slope is 1.

2) Slope-intercept form is represented by the formula [tex]y = mx+b[/tex]. Substitute values for [tex]m[/tex] and [tex]b[/tex] in order to write an equation.

Substitute 1 for [tex]m[/tex] since it represents the slope. Substitute -3 for [tex]b[/tex] since it represents the y-intercept. (Remember that the y-intercept is the point at which the line intersects the y-axis. So, by looking at the graph provided, we can see that (0,-3) is the y-intercept without doing any calculations.) This gives the following answer:

[tex]y = x -3[/tex]

Answer:

9x^3-5

Step-by-step explanation:

Answer:

2

2

+

1

2

−

5

4

2

(

2

+

6

−

2

7

)

Step-by-step explanation:

Answer:

60 points is the right answer

Step-by-step explanation:

Answer:

ya

Step-by-step explanation:

Answer:

A ≈ 65.8 m²

Step-by-step explanation:

Given 2 sides and the angle between them then the area (A) is

A = [tex]\frac{1}{2}[/tex] bc sinA

   = 0.5 × 19.9 × 10.7 × sin38.17°

   ≈ 65.8 m² ( to 1 dec. place )

Answer:

9;7

Step-by-step explanation:

Answer:

The properties of multiplication are distributive, commutative, associative, removing a common factor and the neutral element.

Step-by-step explanation:

The properties of multiplication are distributive, commutative, associative, removing a common factor and the neutral element.

Answer:

one

Step-by-step explanation:

Answer:

if you have a calculator...

Step-by-step explanation:

take 85 to the 5th power and then divide that by 3.

Answer:

20

Step-by-step explanation:

correct on edge

Answer:

can I please get brainliest

Step-by-step explanation:

Answer:

f=54

Step-by-step explanation:

ma is m times a 3x18= 54

Answer:

F = -54

Step-by-step explanation:

You plug in the numbers that you can

so.. F = ma     -ma= m * a

M= 3

a = -18

F = 3* (-18)

because there is one (-) number and you are multiplying your answer is going to be (-)

F= -54

Answer: c. When a > 0 and b > 1, the function models exponential growth.

You have exponential decay when a > 0 and 0 < b < 1.

Step-by-step explanation:

Answer:

a) QT = 8

b) QN = 24  

c) QP = 23

d) MP = 46

e) RT = 6

f) TP = 12

Step-by-step explanation:

Find the diagram attached

If T is the centroid of<MNP, then the following are true;

TN = 2QT

Given TN = 16

16 = 2QT

QT = 16/2

QT = 8

QN = QT + TN

QN = 8 + 16

QN = 24

MQ + QP = MP and MQ = QP

If MQ = 23

QP = 23

Recall that MP =  MQ + QP

MP = MQ + MQ

MP = 2MQ

MP = 2(23)

MP = 46

Similarly, TP = 2RT

RT = TP/2

Also RP = RT + TP

RP = RT + 2 RT

RP = 3RT

18 = 3RT

RT = 18/3

RT = 6

Recall that TP = 2RT

TP = 2(6)

TP = 12

Answer: 453

Step-by-step explanation:

To solve the question, we have to calculate the margin of error which will be:

= (61.7% - 52.3%) / 2

= 9.4% / 2

= 4.7%

4.7% = 1 / ✓n

0.047 = 1 / ✓n

✓n = 1 / 0.047

✓n = 21.28

Square both sides to.gwt the value of n

n = 21.28²

n = 452.69

n = 453

453 residents were surveyed