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Georgia [21]
3 years ago
13

What is 7 over 5 - 1

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
6 0

Answer:

2/5

Step-by-step explanation:

I assume you mean 7/5 - 1

In that case you would need to make 1 a fraction that has a common denominator with 7/5.

7/5 - 5/5 = 2/5

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The original price of a shirt was $20. It was decreased to $15. What is the percent decrease of the price of this shirt?
KIM [24]

Answer:

25%

Step-by-step explanation:

Price reduction = 20 - 15 = $ 5

Percent decrease of price = (5/20)*100 = 5*5 = 25%

6 0
3 years ago
The sales tax in your city is 4.4%, and an item costs $3 before tax.
defon

Answer:

0.132

Step-by-step explanation:

4.4%*3=0.132

6 0
3 years ago
Q. Find the sum of interior angle of the given polygon. Work out the measure of the missing angle. *
SpyIntel [72]

Step-by-step explanation:

Number of sides of the given polygon, n =5

Sum of interior angles =( n-2)180°

=( 5 - 2)180°

= 3*180°

= 540°

Missing angle, x = 540°- (100°+105°+110°+145°)

= 540°- 460°

= 80°

4 0
3 years ago
Fix a matrix A and a vector b. Suppose that y is any solution of the homogeneous system Ax=0 and that z is any solution of the s
ohaa [14]

Answer:

Since y is a solution of the homogeneus system then satisfies Ay=0.

Since z is a solution of the system Ax=b then satisfies Az=b.

Now, we will show that A(y+z)=b.

Observe that A(y+z)=Ay+Az by properties of the product of matrices.

By hypotesis Ay=0 and Az=b.

Then A(y+z)=Ay+Az=0+b=b.

Then A(y+z)=b, this show that y+z is a solution of the system Ax=b.

3 0
3 years ago
Are the linear expression 10x+15 and 5(2x+3) equivalency?
Step2247 [10]

Answer:

The expressions are equivalent

Step-by-step explanation:

5(2x+3)

Distribute the 5

5*2x + 5*3

10x +15

That is equal to 10x+15  

The expressions are equivalent

3 0
3 years ago
Read 2 more answers
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