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tekilochka [14]
3 years ago
12

Evaluate the expression for a = 26, b = 10, c = 9, d = 19: a+b-c-d

Mathematics
1 answer:
Anettt [7]3 years ago
3 0

Answer:

8

Step-by-step explanation:

a+b-c-d

lets substitute the values of a, b, c and d in the equation:

26+10-9-19

so we have:

8

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If you exchange your dollars into pesos they give you 25 pesos in average for every dollar. How many pesos will they get you in
Zarrin [17]

Answer:

500

Step-by-step explanation:

25 for every dollar

20 dollars

25 times 20 = 500

I think this is right :)

4 0
3 years ago
Write the point-slope equation of (1,6) (3,-6)
dangina [55]

Answer:

0 (I think)

Step-by-step explanation:

(1,6) (3,-6)

X1 Y1. X2 Y2

-6-6= 0

3-1=2

0/2= 0

4 0
3 years ago
Read 2 more answers
What is the next term of the geometric sequence? 4/9, -4/3, 4
andreev551 [17]

Answer:

-12

Step-by-step explanation:

To find the ration, take the second term and divide by the first term

-4/3 ÷ 4/9

Copy dot flip

-4/3 * 9/4

-3

Multiply each term by -3

4*-3 =-12

5 0
3 years ago
70% of 90 please give right answerrr
Natali5045456 [20]

Answer: 63

Step-by-step explanation: To find 70% of 90, first write 70% as a decimal by moving the decimal point two places to the right to get .70.

Next, the word "of" means multiply, so we have (.70)(90) which is 63.

So 70% of 90 is 63.

8 0
3 years ago
What is the slope of a line perpendicular to the line whose equation is 4x−10y=404x−10y=40. Fully simplify your answer.
Anna007 [38]

Answer:

-  \frac{5}{2}

Step-by-step explanation:

4x -10y= 40

Let's rewrite this equation in the slope-intercept form (y= mx +c) so that we can obtain it's slope.

10y= 4x -40

Divide both side by 10:

y =  \frac{2}{5} x - 4

The product of the gradients of perpendicular lines is -1.

⅖(gradient of line)= -1

Gradient of perpendicular line

=  - 1 \div  \frac{2}{5}

=  - 1 \times  \frac{5}{2}

=  -  \frac{5}{2}

5 0
3 years ago
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