4n+60=400
help me with this math homework​

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let's solve for value of (2/2-√5 - 2/2+√5) :

now, let's simply the ratio :

Therfore , the required ratio is :

Answer:

25 - n

Step-by-step explanation:

n is a variable. It can represent any number. For example, 5 years ago, Mario would be 20 years old since 25-5 is 20.

So, if n is 8, you have to do 25 - 8 to find the answer to how old Mario was 8 years ago.

So his age n years ago, is 25 - n.

Hope this helps!

Answer:

A.T.Q

358-169

= 189

Step-by-step explanation:

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Answer:

Step-by-step explanation:

Initial position:

- 358 ft

Change in position:

+ 169 ft

Position now:

- 358 + 169 = -189 ft

Answer:

£699 in London

£902.87 in Paris

£1505.63 in New York

The lowest price of the iPhone is £699 in London.

Answer:

y=1/2x+8

Step-by-step explanation:

Hope is helps. Please mark brainliest!!

Answer:

1. 35

2. -22

3. 280

4. -85

5. 70

Step-by-step explanation:

If you like my answer than please mark me brainliest thanks

Answer:

39.6°C

Step-by-step explanation:

10% of 40°C is 40 × 10/100

=4

temp on 2 June = 40+4 = 44°C

now 10% of 44°C is 44 × 10/100

=4.4

temp on 3 June = 44 - 4.4 = 39.6°C

Answer:

50 ft by 15

Step-by-step explanation:

The Answer will be: 1.3

Step-by-step explanation:

when 58 is divided by 78 the answer comes out to be 0.7435

58/78 = 0.7435.

hope this helps you, my dear.

Answer:

the answer is 12

Step-by-step explanation  

i figured out that 12 times 20 is 240 so i multiplied all of the numbers by 12 and that's how i got my answer

Answer The answer will be 0.125

Step-by-step explanation:

Answer:

[tex]\frac{-1+-\sqrt{41} }{4}[/tex] (Third Option)

Step-by-step explanation:

Step 1: Use quadratic formula with a = 2, b = 1, c = -5.

Therefore, the answer is the third option, [tex]\frac{-1+-\sqrt{41} }{4}[/tex].

Answer:

i dont know

Step-by-step explanation:

i-

The equation showing the variation of the temperature would be y=(23x) + 68.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that A chef preheats an oven. It starts at room temperature, 68°F, and heats up to 23°F per minute.

The equation will be written as:-

y = 23x + 68

Here x is the time of preheating.

Therefore, the equation showing the variation of the temperature would be y=(23x) + 68.

To know more about an expression follow

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Step-by-step explanation:

W=-6, x=1.2, and z=-6/7

(W²x-3)÷10-z

we substitute

((-6²)(1.2)-3)÷10-(-6/7)

((-36)(1.2)-3) ÷10-(-6/7)

(-43.2-3) ÷10(6/7)

(-46.2)÷60/7

-46.2÷60/7

-46.2*7/60

-46.2/1*7/60

-323.4/60

-5.39

Required value of (w²x−3)÷10⋅z when w=−6, x = 1.2, and z=−6/7 is (-4.69)

What is the value of of (w²x−3)÷10⋅z when w=−6, x = 1.2, and z=−6/7 ?

We know,

By BODMAS rule,

B - Bracket

O - Of

D - Division

M - Multiplication

A - Addition

S - Subtraction

We should maintain the following sequence,

Bracket - Of - Division - Multiplication - Addition - Subtraction

We are applying BODMAS rule.

Here,[tex]( {w}^{2} x - 3) \div 10 . z[/tex] and w=−6, x = 1.2, and z=−6/7

We are putting value of w,x,z in given expression and get

[tex]( {( - 6)}^{2} \times 1.2 - 3) \div 10 ( - \frac{6}{7} ) \\ = -(36 \times 1.2 - 3) \div \frac{60}{7} \\ = -(43.2 - 3) \div \frac{60}{7} \\ = -40.2 \div \frac{60}{7} \\= -40.2 \times \frac{7}{60} = -4.69[/tex]

Therefore, Required value of the given term is (-4.69)

One more question of BODMAS rule,

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Answer:

[tex]45c - 60 = 75 \\ 45c = 75 + 60 \\ 45c = 135 \\ \\ c = \frac{135}{45} \\ \\ c = 3[/tex]

I hope I helped you^_^

Answer:

answer is A

Step-by-step explanation:

Answer:

A.

Step-by-step explanation:

The bigger the denominator is the samller the fraction is.

Ex:[tex]\frac{1}{32}[/tex] is way smaller than [tex]\frac{1}{3}[/tex]

Answer:

Aidan traveled 0 yards from the starting line

Step-by-step explanation:

Set up problem: 6-9+3

Solve

Hope this help! Have a great day!!

Answer:

X = 45

Step-by-step explanation:

Hope it will be helpful for you.

Step-by-step explanation:

[tex]\longrightarrow\sf{ p(x) = 2{x}^{4} - 5{x}^{3} + 7x - 3}[/tex]

[tex]\longrightarrow\sf{ p(2) = 2({2})^{4} - 5{2}^{3} + 7\times 2 - 3}[/tex]

[tex]\longrightarrow\sf{ 2\times 16 - 5\times 8 + 14 - 3}[/tex]

[tex]\longrightarrow\sf{ 32 - 40 + 14 - 3}[/tex]

[tex]\longrightarrow\sf{ - 8 + 14 - 3}[/tex]

[tex]\longrightarrow\sf{ + 6 - 3}[/tex]

[tex]\longrightarrow\sf{ 3 }[/tex]

Answer:

Step-by-step explanation:

f(x) = 2x⁴ - 5x³ + 7x - 3

f(2) = 2(2^4) - 5(2^3) + 7(2) - 3

f(2) = 32 - 40 + 14 - 3

f(2) = 3

The graph below shows what happens when x = 2 and y = 2x⁴ - 5x³ + 7x - 3

Notice that the graph shows the same intersect point (2,3) as what we got when putting x = 2  into the equation.

Answer:

x = -4

Step-by-step explanation:

2(3x + 7) = -49 + 39

6x + 14 = -10

6x = -10 - 14

6x = -24

x = -4

Answer:

the picture is not clear for me I can't see anything sorry

Answer:

x=9

Step-by-step explanation:

10x + 30 = 8x + 48

-8x = -8x

______________

2x +30 =48

-30= -30

__________

2x/2 = 18/2

x = 9

Answer:

[tex]y=5x-13[/tex]

Step-by-step explanation:

Using the graph starting at -13 and going up 5 and over right 1 continuously, it tends to pass 2,-3 and 4,7.

Answer:

80

Step-by-step explanation:

.375, .525, .25 difference. 20/.25 =80

There are 80 students in the sixth grade.

It is described as the comparison of two quantities to determine how many times one obtains the other. The proportion can be expressed as a fraction or as a sign: between two integers.

Thus, a = px, b = qx

We have been given that ratio of boys to girls in the sixth grade is 3:5. If there are 20 more girls than boys, then

Now we need to do as;

b = 20 + g

3x = 20 + 5x

x  = 10

Now The students  are 8p

8 x 10 = 80

Hence, there are 80 student.

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Answer:

x = 10

Step-by-step explanation:

1. The sum of all angle measures in any triangle is equal to 180 degrees.

2. (Solving)

Step 1: Combine like terms.

Step 2: Subtract 120 from both sides.

Step 3: Divide both sides by 6.

Therefore, x = 10.

Answer:

first question

slope = rise/run = 2/3

second question

slope = rise/run = 1/3

Step-by-step explanation:

Answer:

2/3

Step-by-step explanation:

if u start from any point and go to the next u will be going up 2 the moving 3 to the right.