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3 years ago

Question 10

Mathematics

1 answer:

DiKsa [7]3 years ago

4 0

Answer:

the opposite of the opposite of -9, the opposite of 6, the opposite of 4, the opposite of 0, the opposite of the opposite of 7

Explanation:

the opposite of 4 = -4

the opposite of the opposite of -9 = -9

the opposite of 6 = -6

the opposite of the opposite of 7 = 7

the opposite of 0 = 0

Then you just put them in order.

Hope this helps!

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In the figure, VW || YZ. Find the value of x, and the measure of YA and WA.

svetoff [14.1K]

Step-by-step explanation:

because VW || YZ, the 2 triangles are similar.

this is given by the rules of equal angles of intersecting lines with parallel lines. Z to V and Y to W would be such intersecting lines.

and therefore, the angle at W is the angle at Y, the angle at V is the angle at Z. and therefore both angles at A are equal.

so, for similar triangles the scaling factor between corresponding pairs of sides is the same for all sides.

e.g. the same scaling factor that converts 7.2 to 12, converts then also x to x+4.

7.2 × f = 12

f = 12/7.2 = 12/ 72/10 = 120/72 = 10/6 = 5/3

x × 5/3 = x + 4

5x = 3x + 12

2x = 12

x = 6

A to Y = x = 6

W to A = x + 4 = 6 + 4 = 10

5 0

2 years ago

Answer correctly please for brainliest

inn [45]

Answer:

30 miles 90 miles

----------------- = -----------------------

1.5 hours 4 hours

the dashes between the number represents me making a fraction lol.

3 0

3 years ago

How to figure out f=9/5 c÷32

KonstantinChe [14]

Answer:

f= $\frac{288}{5}$

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

The domain of f(x) is the set of all real values except 7, and the domain of g(x) is the set of all real values except –3. Which

allochka39001 [22]

Answer:

The last is the correct option

"all real values except x not-equals 7 and the x for which f (x) not-equals negative 3"

Step-by-step explanation:

Domain and Range of Functions

Given the function f(x), the domain of f is the set of all the values that x can take such f(x) exists. The range of f is the set of all the values that f takes.

We have a problem where we have to find the domain of a composite function. Let's recall that being f and g real functions, then

$g\circ f=g(f(x))$

is the composite function of f and g.

We know the domain of f is the set of all real values except 7, and the domain of g is the set of all real values except –3.

Since f is the innermost function, the domain of the composite function is directly restricted by the domain of f. So, x cannot be 7.

Now, g takes f as its independent variable, and we know the domain of g excludes -3. It can be found that f(x) cannot be -3 because it will cause g not to exist.

Thus, the domain of $g\circ f$ is

All real numbers except x=7 and those where f(x)=-3

The last is the correct option

8 0

3 years ago

Cheddar cheese costs £7.50 for 1kg.Marie buys 200 grams of cheddar cheese.How much does she pay?(PLEASE SHOW WORKING OUT)

SVETLANKA909090 [29]

There are 1000g in a kilogram.
1000÷200=5
£7.50÷5=£1.50
The answer is £1.50

Hope this helped.

6 0

4 years ago