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dmitriy555 [2]
3 years ago
9

Tia cycles 90 miles in total on

Mathematics
1 answer:
Hoochie [10]3 years ago
3 0

Tia travels 60 miles on Monday.

Step-by-step explanation:

Total distance = 90 miles

Let,

Distance on Monday = x

Distance on Tuesday = x/2

According to given statement;

x+\frac{x}{2}=90

Solving the equation for the value of x;

\frac{2x+x}{2}=90\\

Multiplying both sides by 2;

3x=180\\x=\frac{180}{3} \\x=60

Tia travels 60 miles on Monday.

Keywords: Addition, Division.

Learn more about addition at;

  • brainly.com/question/4681138
  • brainly.com/question/4687435

#LearnwithBrainly

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Two consecutive perfect squares have a difference of $99$. what is the value of the larger perfect square?
Fofino [41]

Answer:

2500

Step-by-step explanation:

Let the first square number be x^2 then the next square number is (x+1)^2.

The difference between these two consecutive numbers is 99.

This implies that:

(x+1)^2-x^2=99

We expand to get:

x^2+2x+1-x^2=99

Simplify:

2x=99-1

2x=98

Divide both sides by 2

x=49

Therefore the value of the larger perfect number is

(49+1)^2=50^2=2500.

6 0
3 years ago
PLEASE HELP ME as soon as possible!!
Alenkasestr [34]

Answer:

1/3 is answer.

I hope you got it. I had added solved answer too.

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8 0
3 years ago
Choose the system of inequalities that best matches the graph below.
lapo4ka [179]

Answer:

D) y\:, y\:>\:-x

Step-by-step explanation:

The blue boundary line has a y-intercept of 2 and a slope of  2.

It has equation : y=2x+2

Since the boundary line is not solid and the lower half plane of this line is shaded, its inequality is

y\:

The blue boundary line passes through the origin and has slope -1.

Its equation is y=-x.

Since the boundary line is not solid and the right half-plane is shaded, its inequality is y\:>\:-x

The correct choice is D.

4 0
3 years ago
4x + 6y - z=-18<br> 3x +2y - 4z = -24<br> - 5x + 3y + 2z = 15<br> find x y and z
Anna71 [15]

Answer:

x = -2, y = -1, z = 4

Step-by-step explanation:

4x + 6y - z=-18

z  = 18  + 4 x  +  6 y

3x +2y - 4z = -24

z  = 6  + (3x)/ 4  +  y /2

- 5x + 3y + 2z = 15

z = 15/2 + (5x)/2 - (3y)/2

18  + 4 x  +  6 y = 6  + (3x)/ 4  +  y /2  = 15/2 + (5x)/2 - (3y)/2

x = -22y/13 - 48/13

4(-22y/13 - 48/13) + 6y - (15/2 + (5(-22y/13 - 48/13))/2 - (3y)/2) = -18

Compute the output value of the variables x and y with respect to the input values of x, y, and z coefficients.

4 0
3 years ago
What is the simplified expression for -2a^2b+a+a^2-5ab+3ab^2-b^2+2(a^2b+2ab)
Bas_tet [7]

a^2+a-ab+3ab^2-b^2 I hope this helps

5 0
3 years ago
Read 2 more answers
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