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inn [45]
3 years ago
14

Determine the smallest integer that makes -3x+7-5x < 15.

Mathematics
1 answer:
Delvig [45]3 years ago
8 0
Hope so answer is x>-1
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The sum of three numbers is 12. The sum of twice the first​ number, 5 times the second​ number, and 6 times the third number is
Ede4ka [16]
A suitable calculator can row-reduce the augmented matrix.

first number: 3
second number: 1
third number: 8

5 0
3 years ago
Help me to answer this question pl​s
attashe74 [19]

Problem 1

Draw a straight line and plot P anywhere on it. Use the compass to trace out a faint circle of radius 8 cm with center P. This circle crosses the previous line at point Q.

Repeat these steps to set up another circle centered at Q and keep the radius the same. The two circles cross at two locations. Let's mark one of those locations point X. From here, we could connect points X, P, Q to form an equilateral triangle. However, we only want the 60 degree angle from it.

With P as the center, draw another circle with radius 7.5 cm. This circle will cross the ray PX at location R.

Refer to the diagram below.

=====================================================

Problem 2

I'm not sure why your teacher wants you to use a compass and straightedge to construct an 80 degree angle. Such a task is not possible. The proof is lengthy but look up the term "constructible angles" and you'll find that only angles of the form 3n are possible to make with compass/straight edge.

In other words, you can only do multiples of 3. Unfortunately 80 is not a multiple of 3. I used GeoGebra to create the image below, as well as problem 1.

8 0
2 years ago
Tonya has a box that measures 12 cm by 7 cm by 19cm. what is the volume of the box. Please help
kaheart [24]

Answer: 1,596 cubic cm. To find the volume, you need to multiply all the three sides given.


Step-by-step explanation:

12cm * 7 cm* 19cm = 1596 cm^3


4 0
3 years ago
HELP WITH GEOMETRY PLS
Paha777 [63]

Answer:

optionb

Step-by-step explanation:

7 0
2 years ago
Helpppppp hurry and no links
Alexeev081 [22]

Step-by-step explanation:

6.3%

that is the correct answer

4 0
2 years ago
Read 2 more answers
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