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levacccp [35]
4 years ago
10

Find the value of -7 + (-9) + 11 + 8.

Mathematics
1 answer:
Triss [41]4 years ago
8 0
Good day ^-^ ///////////////

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How do you do find (C)t intercept
dalvyx [7]

Answer:

its the same thing as saying what is the Y-intercept

Step-by-step explanation:


7 0
3 years ago
Divide n by 5 then add 6
algol [13]

Answer:

n+30/5

Step-by-step explanation:

Simplify n/5

n/5+6

Rewrite the whole as an equivalent fraction

2.1 Add an integer to a fraction

Rewrite the whole as a fraction using 5 as the denominator: 6= 6/1=6×5/5

Equivalent fraction: the fraction thus generated looks different but has the same value as everything.

2.2 sum of the two equivalent fractions add two equivalent fractions that now have a common denominator

Combine the numerators, place the sum or difference over the common denominator, and then reduce to the lowest terms of possible:

n+6×5/5=n+30/5

3 0
3 years ago
Please someone help me !! :(
geniusboy [140]

Answer: 27 times bigger.

Step-by-step explanation:

You need to use the following formula to find the volume of a Square pyramid:

V=\frac{1}{3}s^2h

Where "s" is the edge of a side of the square base and "h" is the height of the pyramid.

Knowing that:

s_A=12\ in\\\\h_A=8\ in\\\\\\s_B=36\ in\\\\h_B=24\ in

You can find the volume of the Pyramid A and the volume of the Pyramid B:

V_A=\frac{1}{3}(12\ in)^2(8\ in)\\\\V_A=384\ in^3\\\\\\V_B=\frac{1}{3}(36\ in)^2(24\ in)\\\\V_B=10,368\ in^3

Finally divide the volume of the Pyramid B and the volume of the Pyramid A, in order to find how many times bigger than the Pyramid A is the Pyramid B.

You get:

\frac{10,368\ in^3}{384\ in^3}=27

7 0
4 years ago
Please help with this question!!
mars1129 [50]

Answer:

second one

Step-by-step explanation:


7 0
3 years ago
The length of the diagonal of a rectangle is 11 cm more than the width and the width is 3 cm less than the length. If the area i
11Alexandr11 [23.1K]

Answer:

33cm

Step-by-step explanation:

area of a rectangle= length ×width

Let x be the length

990=x( x-3)

990=x^2-3x

x^2-3x-990=0

x^2+30x-33x-990=0

x(x+30)-33(x+30)=0

(x-33)(x+30)=0

x=33, x=-30

length is positive so it'll be 33cm

3 0
3 years ago
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