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kondor19780726 [428]
4 years ago
15

Negative three times a number increased by 7 is less than-11​

Mathematics
2 answers:
tangare [24]4 years ago
5 0

Answer:

6

Step-by-step explanation:

-3x+7<-11

-3x<-11-7

-3x<-18

X<-18/-3

X<6

san4es73 [151]4 years ago
4 0

Answer: false.

Step-by-step explanation: the equation is as follows:

-3 + 7 = 7 - 3, which = 5

-3 times 5 = -15, making the statement false.

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Please help!! ill give brainliest!!! this is worth 30 points!!!!!!!!​
Svetlanka [38]

Answer:   a. 45 = k

                 b. d/t = 45

                 c. d = 45t

<u>Step-by-step explanation:</u>

The constant of proportionality (k) equals y divided by x if it is a direct variation.  In the given problem, y is represented by distance (d) and x is represented by time (t).

a)\quad \dfrac{d}{t}=k\\\\\\.\qquad \dfrac{90}{2}=k\\\\\\.\qquad 45=k\\\\\\b)\quad \dfrac{d}{t}=k\\\\\\.\ \quad \dfrac{d}{t}=45\\\\\\c)\quad \text{multiply both sides by t:}\\.\qquad d=45t

5 0
3 years ago
Please help thank you.
alekssr [168]
Hello!

When doing Sine, Cosine and Tangent the sides of the triangle tell you what to do

The hypotenuse is H
The bottom side is A
The Straight up and down side is O


For Sine you do O / H
For Cosine you do A / H
For Tangent you do O/ A

Put in the values you Sine

Sin A = 5/ 13

Put in the values for Cosine

Cos A = 12/ 13

The answer is A) Sin A = 5/ 13, cos A = 12/ 13

Hope this helps!
8 0
3 years ago
Help help help math nath
julia-pushkina [17]

Answer:

12

Step-by-step explanation:

plug in -7 where x is

5 - (-7) = 12

7 0
3 years ago
Solve the equation 7x-12=6x-1 x=_​
seropon [69]

Answer:

x = 11

Step-by-step explanation:

Combine the like terms in the given 7x-12=6x-1:

7x - 6x = -1 + 12, or

x = 11

3 0
3 years ago
Find the measures of the missing angles (picture attached)
ella [17]
Here, sum of all the angles would be equal to 360.
We can see there are two right angles (=90)

So, 90 + 90 + x + 60 = 360
240 + x = 360
x = 360 - 240
x = 120

In short, Your Answer would be 120

Hope this helps!
4 0
3 years ago
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