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emmasim [6.3K]
4 years ago
8

Evaluate the expression:–|20| + |5|

Mathematics
1 answer:
Svetradugi [14.3K]4 years ago
3 0
-|20| + |5| = -15

Steps:
Apply absolute rule: |a| = a, a >/ 0
|20| = 20
= -20+5
Apply absolute rule: |a| = a, a >/ 0
|5| = 5
= -20+5
Refine 
= -15

Hope this helps you! (:
-Hamilton1757
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Find the missing side or angle. round to nearest tenth <br> A=18<br> B=28<br> C=100<br> a=?
igomit [66]

Answer:

The missing side, a = 100.50

Step-by-step explanation:

The given information are;

A = 18

B = 28

C = 100

a = Required,

The number of data points in the definition = 3, therefore, the figure is a three sided figure or a triangle

The sum of the given data is 18 + 28 + 100 = 146 which is less than the sum of the interior angles of a polygon, the minimum of which is 180° for a triangle.

However, the length of the two sides A and B are less than the third side C, therefore, the sides need more length for them to form a triangle

The fourth required information can be taken as the fourth side of a trapezium, to give;

Length of a = √((28 - 18)² + 100²) = 100.499, which can be written to the nearest 10th as 100.50.

7 0
4 years ago
Suppose f(x) = x^2 and g(x) = (1/4)^2. Which statement best compares the graph of g(x) with the graph of f(x)
hjlf

Answer:

g(x) is the image of f(x) after stretched horizontally by scale factor = 4

Step-by-step explanation:

The statement that best compares the graph of  g(x) with the graph of f(x) says g(x) is the image of f(x) after stretched horizontally by scale factor = 4 because:

Given the function

f(x) = x²  and g(x) = (1/4x)² the image of f(x) after one transformation.  

The transformation shows that g(x) stretches away from y-axis.  

Since the transformation is stretched horizontally. So g(x) is the image of f(x) after stretched horizontally by scale factor (I.e. by 1).

Then we use the scale factor to divide g(x)

1 ÷ ¼ = 1 x 4/1 = 4  

So therefore, g(x) is the image of f(x) after stretched horizontally by scale factor = 4

8 0
4 years ago
In a music stadium, there are 18 seats in the first row and 21 seats in the second row. The number of seats in a row continues t
sineoko [7]

Answer:

  (a) an = 18 +3(n -1)

  (b) row 35

Step-by-step explanation:

(a) The general term (an) of an arithmetic sequence can be expressed in terms of the first term (a1) and the common difference (d) as ...

  an = a1 +d(n -1)

The given sequence has a1 = 18 and d = 3, so the explicit formula is ...

  an = 18 + 3(n -1)

__

(b) We want to find n such that an = 120.

  120 = 18 + 3(n -1)

  40 = 6 + n - 1 . . . . . . . divide by 3

  35 = n . . . . . . . . . . . . . subtract 5

Row 35 has 120 seats.

3 0
3 years ago
A pumpkin patch charges $5 for large pumpkins and $3 for small
Kamila [148]

Answer:

Step-by-step explanation:

Pumpkins are good for more than just jack-o’-lanterns: you can decorate with them, carve them, eat them, or plant the seeds so you have free pumpkins next year. You can find pumpkins for sale at farmers markets, pumpkin patches, and national chain retailers like Costco, Kroger, and Walmart. Farmers markets and pumpkin patches tend to price their pumpkins by the pound, charging around $16 to $25 for large pumpkins. Chain stores charge a per-pumpkin price, which is usually around $3 for small, decorative pumpkins and $5 to $10 for carving pumpkins. Below, we list the various uses for pumpkins, the places that sell pumpkins, and the average pumpkin prices.

6 0
3 years ago
Pls help LOL I need helo
Andrews [41]
500$ if that’s an answer
5 0
3 years ago
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