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mart [117]
3 years ago
11

Which of the following equations could be used to solve for the tenth term of the following sequence? 15, 13, 11, 9, ...

Mathematics
1 answer:
kifflom [539]3 years ago
6 0
This is an arithmetic sequence, where the first term (a) is 15 and the common difference (d) is -2.
The general formula for the nth term of an arithmetic sequence is:
n_{th\ term} =a+(n-1)d
Therefore the required equation is:
10_{th} \ term=15+(10-1)\times-2
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Find the values of x and y​
ioda

X= 20 & Y= 70 in right-angled triangle .

What is right angle triangle?

  • A right-angled triangle is a particular kind of triangle in which one of the angles is 90 degrees.
  • The combined angles of the other two are 90 degrees. Perpendicular and the triangle's base make up the sides that the right angle is formed from.
  • The longest of the three sides, known as the hypotenuse, is the third side.

2X + 140 = 180

2X = 40°

   X = 20°

X + Y = 90°

   Y = 70°

Learn more about right-angled triangle

brainly.com/question/3770177

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4 0
11 months ago
Find the area of a cube.<br><br> 5in, 5in, 5 in
Verizon [17]

Answer:

150in²

Step-by-step explanation:

The surface area of a cube is given by the following equation where <em>s</em> is the length of a side:

A=6s^2

So, in this case, s is equal to 5:

A = 6(5)^2 = 6(25)=150in^2

6 0
3 years ago
you are adding 3 2/3+2 2/3 using fraction strips explain how you rename the fraction part of the problem
garri49 [273]
We have to add 3 2/3 + 2 2/3 using fraction strips. 3 2/3 and 2 2/3 are the mixed numbers. The mixed numbers consists of a whole number and a fraction. If we want to add those numbers we shoukld change them into improper fractions: 3 2/3 = ( 3 * 3 + 2 ) / 3 = 11 / 3; 2 2/3 = ( 2 * 3 + 2 ) / 2 = 8 / 3. Finally: 11 / 3 + 8 / 3 = ( 11 + 8 ) / 3 = 20 / 3 = 6 2/3. Answer: You reneme it turning them into improper fractions<span>. </span>
4 0
3 years ago
Read 2 more answers
The graph of a certain quadratic function does not cross the x-axis. Which of the following are possible values for the discrimi
irinina [24]
The graph of a quadratic function does not cross the x-axis if the discriminant has negative value.
Answers:
C ) -25
D ) -7
3 0
3 years ago
PLease i need help i dont understand and i need an explantaion
zalisa [80]

Answer:

c) 56 m²

Step-by-step explanation:

Area of the figure =  area of triangle + area of rectangle

Rectangle:

length = 8 m

Width = 5 m

Area = length * width

       = 8 *5

       = 40 m²

Triangle:

base (b)= 4 m

height (h) =  8 m

Area=\frac{1}{2}bh\\\\ =\frac{1}{2}*4*8\\

= 2* 8

=  16 m²

Area of the figure = 40 + 16

                                = 56 m²

4 0
2 years ago
Read 2 more answers
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