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2 years ago

A1=8 and an=-5an-1-n then find the value of a4

Mathematics

2 answers:

DerKrebs [107]2 years ago

8 0

Can someone help my cousin?

Which of the following is NOT one of the three states of water?

gas

RSB [31]2 years ago

4 0

Answer:

69a4

Step-by-step explanation:

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What is the product of 5 and 2/3

alukav5142 [94]

The product of 5 and 2/3 is 5.6666

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2 years ago

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One solution to a quadratic function, h, is given.

Margaret [11]

Answer:

B. The other solution to function $h$ is $-4-i\,7$ .

Step-by-step explanation:

From Algebra, we remember that quadratic functions of the form $a\cdot x^{2}+b\cdot x + c$ has solutions of the form:

$x = \frac{-b\pm \sqrt{b^{2}-4\cdot a\cdot c}}{2\cdot a}$ , where both are complex if and only if $\sqrt{b^{2}-4\cdot a \cdot c}< 0$ .

Hence, if one solution of the quadratic function is $-4+i\,7$ , then the other solution is $-4-i\,7$ . The correct answer is B.

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3 years ago

Three consecutive integers have a sum of 78. find the inte

VMariaS [17]

Let the 3 numbers be x,x+1,x+2
Given sum of those 3 consecutive integers are 78
X+x+1+x+2=78
3x+3=78
3(x+1)=78
X+1=26
X=26-1
X=25

Therefore the numbers are 25,26,27

5 0

3 years ago

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What positive number is left of 1 ( 0 is neutral)

kkurt [141]

Answer:

any number between 0 and 1

Step-by-step explanation:

This includes decimals.

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3 years ago

Write an algebraic expression that represents each purchase.

Svetradugi [14.3K]

Answer: Both answers will be

$15x+18$

Step-by-step explanation:

Since we have given that

Cost of soccer balls = $15

Cost of baseball = $6

Cost of sweat socks = $5

a) Mr. Tonkery bought x number of soccer balls and 3 base balls .

So, our algebraic expression will be

$15x+3\times 6\\\\=15x+18$

b) Dennis, Eddie and Felix are on a base ball team. They each bought a baseball and x pair of sweat socks .

Since there are 3 members in a base ball team ,

Number of base ball they will purchase is given by

$3\times 6=18$

Number of sweat socks they will bought is given by

$5\times x\times 3=15x$

Total number they will purchase is given by

$15x+18$

Hence, both answers will be

$15x+18$

6 0

3 years ago