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3 years ago

Help please!!!! 8. 9. And 10.

Mathematics

1 answer:

zhannawk [14.2K]3 years ago

5 0

Answer:

9 is 3rd -- 8 is last -- 10 is first --

Step-by-step explanation:

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What is 2. 84 repeating as a mixed number in simplest form

Shalnov [3]

The answer would be 2 21/25.

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4 years ago

7. What is the least of four consecutive integers whose sum is 58? *

Vlad [161]

Answer: 13

Step-by-step explanation:

represent the first integer as x

Since they are consecutive, you can represent the others as x+1, x+2, and x+3.

Write the equation

x + (x +1) + (x+2) + (x+3) = 58

Combine like terms

4x + 6 = 58

Solve for x

4x= 52

x=13

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4 years ago

Wich values of a, b, c represent the answer in simplest form 7/9 ÷4/9= a b/c

ladessa [460]

Answer:

74=ab/c

Step-by-step explanation:

a=7c/4b

b=7c/4a

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3 years ago

Find the missing side. Round to the nearest tenth. Х y 390 57 X=[?]

sweet [91]

Answer:It's 46.2

Step-by-step explanation:

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3 years ago

1.Write the expression in expanded form. The subscript number can be write in

enyata [817]

Answer:

(a) Expanded form:

$((X_1 + X_1Y_1) - X_1Z_1) + ((X_2 + X_2Y_2) - X_2Z_2) + ((X_3 + X_3Y_3) - X_3Z_3) + ((X_4 + X_4Y_4) - X_4Z_4)$

(b) The value of the expression: -21

Step-by-step explanation:

Given

$\sum \limit^4_{i=1}\ ((X_i+X_iY_i) - X_iZ_i)$

Solving (a): The expanded form:

This means that we substitute the values of i from 1 to 4 in the above expression.

So, the expression becomes:

$((X_1 + X_1Y_1) - X_1Z_1) + ((X_2 + X_2Y_2) - X_2Z_2) + ((X_3 + X_3Y_3) - X_3Z_3) + ((X_4 + X_4Y_4) - X_4Z_4)$

Solving (b): The value of the expression

To do this, we simply substitute the given values of X1, X2....... in the expression.

This gives:

So, the expression becomes:

$((0 + 0*5) - 0*0) + ((1 + 1*26) - 1*-2) + ((12 + 12*-2) - 12*3) + ((-1 + -1*25) - -1*24)$

Simplify each bracket

$((0 + 0) - 0) + ((1 + 26) +2) + ((12 -24) - 36) + ((-1 -25) +24)$

$0 + 29 -48 -2$

$-21$

Hence, the result of the expression is -21

5 0

3 years ago