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77julia77 [94]
3 years ago
11

Solve the inequality 4 x - 7 < 5

Mathematics
2 answers:
spin [16.1K]3 years ago
4 0

4x - 7 < 5\\4x < 12\\x < 3

Alexandra [31]3 years ago
4 0

4x - 7 < 5

4x + (-7)

For example x = 2

4 * 2 = 8

8 - 7 = 1

1 < 5

Sorry if I did the question wrong.

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7 × (–3) × (–2)^2 =
skad [1K]
<span>7 × (–3) × (–2)^2 
= </span>-21 × 4
= - 84

Hope it helps
5 0
3 years ago
Read 2 more answers
This drawing shows an Isosceles triangle. Work out the size of angle a. ​
antiseptic1488 [7]
50 degrees

All triangles have 180 degrees total.

Since it’s an isosceles triangle, the 2 bottom angles are congruent; thus, they have the same angle measurement.

Now just subtract the two angles from 180 to get the third angle.

180 - 65 - 65 = 50
8 0
3 years ago
Solve the following proportion x/2 = 8/9
artcher [175]

Answer:

\frac{x}{2}  =  \frac{8}{9}  \\ 9x = 16 \\ x =  \frac{16}{9}  \\ x = 1.78

C

5 0
3 years ago
Read 2 more answers
Tom buys a boat from a friend, and will pay his friend the same amount of money each year until the boat is paid for. The follow
Dmitry_Shevchenko [17]

The graph of amount Tom owes his friend after a given time, <em>t</em>, is a straight line graph with a negative slope

Please find attached the required example of a possible graph that shows the amount Tom owes his friend

Reason:

Let <em>A</em> represent the amount of money Tom buys the boat with, let <em>x</em>

represent the amount of equal payment made and <em>y</em> represents the

amount Tom owes the friend after a given time, <em>t</em>, we have;

y = A - x·t

Therefore, the slope of the graph formed is <em>-x</em>, the y-intercept of the graph

is <em>A</em>, from which the graph that gives the amount of money, in dollars, Tom

owes his friend, as a function of time, in years can be presented as follows,

using example values;

A = $25,000 (Amount the Tom agrees to buy the boat)

x = $5,000 (Amount Tom pays each year for the boat)

By plugging in the above example values, the attached graph can be drawn using MS Excel

Learn more about plotting of straight line graphs here:

brainly.com/question/11097080

6 0
2 years ago
A jeweler is making a triangular pendant. He has two sides of length 23 mm and 31 mm. What are the
denis-greek [22]

Answer:

38.60mm

Step-by-step explanation:

Step one:

Given data

We are given that the dimension of the triangles are length 23 mm and 31 mm

Let us assume that the triangle is a right angle triangle

Step two:

Applying the Pythagoras theorem we can find the third as

z^2= x^2+y^2\\\\z^2= 31^2+23^2\\\\z^2= 961+529\\\\z^2= 1490\\\\

square both sides

z= √ 1490

z= 38.60mm

Hence a possible dimension of the third side is 38.60mm

3 0
3 years ago
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