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Paladinen [302]
3 years ago
9

Simplify 7.7w - 4.6w please answer hurry!

Mathematics
1 answer:
valentinak56 [21]3 years ago
8 0

Answer:

3.1w

Step-by-step explanation:

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Find the measure of angle D and E Angle A = 90 degrees Angle B = 90 degrees Angle C= Angle D Angle E = 90 degrees ​
Kobotan [32]

Answer:

45

Step-by-step explanation:

all angles have to add up to a total of 360, so the other 3 angles equal 270 and there's two more angles that need to split 90° equally

5 0
4 years ago
A basket contains 3 apples, 3 peaches, and 4 pears. You randomly select a piece of fruit. It is an apple or a peach. What is the
hram777 [196]

Answer:

1/10

one out of ten chance

Step-by-step explanation:

3 apples + 3 peaches + 4 pears = 10 fruit

if u pick A (emphasize the "A" meaning singular) fruit at random and it comes out as an apple or peach there is 10 fruit to possibly get and u got 1 peach or apple so if u end up - nevermind u get it i'm gunnu over complicate things tell me if u understand!

i was here first so brainliest?

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4 0
3 years ago
Solve the question: (-4)+(-1)+2+5+...+x=437
Alex Ar [27]
The sequence is an arithmetic sequence with
a₁ = -4

d = a₂ - a₁
d = -1 - (-4)
d = -1 + 4
d = 3

an = x

Sn = 437


General formula in arithmetic sequence
Formula to find nth term
an = a₁ + d(n - 1)
Formula to find sum of sequence (sn)
Sn = n/2 (a₁ + an)

We have to make an equation system based on the problem
plug the numbers into the formula
First equation
an = a₁ + d(n - 1)
x = -4 + 3(n - 1)
x = -4 + 3n - 3
x = 3n - 7

Second equation
Sn = n/2 (a₁ + an)
n/2 (a₁ + an) = 437
n/2 (-4 + x) = 437
n(x -  4) = 874
xn - 4n = 874

Solve the equation system by subtitution method
Subtitute x with 3n - 7 in the second equation
xn - 4n = 874
(3n - 7)n - 4n = 874
3n² - 7n - 4n = 874
3n² - 11n - 874 = 0
(3n + 46)(n - 19) = 0
n = -46/3 or n = 19
Because the number of terms shouldn't be negative, -46/3 isn't required, so the value of n is 19.

Solve for x, back to the first equatin
x = 3n - 7
x = 3(19) - 7
x = 57 - 7
x = 50

The solution is 50
6 0
3 years ago
_____ lateral faces of a rectangular pyramid are congruent.<br> All of the<br> Opposite<br> Adjacent
Juli2301 [7.4K]
Opposite lateral faces of a rectangular pyramid are congruent.

I think is OPPOSITE . 
7 0
3 years ago
Read 2 more answers
19 dollars for 5 books
viktelen [127]

Answer:

$3.80 per book

Step-by-step explanation:

I divided 19 by 5 to get the price per book

3 0
4 years ago
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