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Alex17521 [72]
3 years ago
6

Will mark Brainlest help plsssss​

Mathematics
1 answer:
IRINA_888 [86]3 years ago
3 0
I need help to bare with me
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URGENTEEEEE POR FAVORRRRRRR​
Softa [21]
PEMDAS

Multiplication:
10* -4 / 3*9 = -40 / 27

Addition:
-40 / 27 + 7/6 find common denominator 108

-40*4 / 27*4 + 7*18 / 6*18
-160 / 108 + 126 / 108
-34 / 108
-17 / 54

Subtract:
-17 / 54 - 2/5 common denominator 270
17*5 / 54*5 - 2*54 / 5*54
-85 / 270 - 108 / 270
-193 / 270

-193/ 270 = -0.7148
-8 / 15 = -0.7148 :)
5 0
3 years ago
Will give brainlist​
JulsSmile [24]
B
Hope this helped I only did like 1 lesson on functions
7 0
4 years ago
During the first few years of a tree's life, its growth rate is linear. For example, an oak tree grows at a rate of 1.5 feet per
Pavlova-9 [17]

Answer:

Mostafa's maple tree grows at a slower yearly rate than an oak tree.

Step-by-step explanation:

Given that:

An oak tree grows at a rate of 1.5 feet per year for twelve years;

After 12 year; the oak tree will be = 12 × 1.5 = 18 feet per year.

Now; we are being told that Mostafa plants a maple tree at his backyard and measures its height at 4 feet.

i.e x years  = 4 ft

two years later ; it height is now 6.5 ft

thus;

x year = 4 ft

x + 2 = 6.5 ft

6.5 * x = (x+2)4\\  \\ 6.5 x = 4x + 8\\ \\ 6.5x-4x = 8\\ \\ 2.5x = 8\\ \\ x = \dfrac{8}{2.5}\\ \\ x = 3.2

Thus ; Mostafa first measured the height of the tree when it is 4 ft at the age year of  3.2

So;

if 3.2 year = 4 ft

1 year = x

x  = \dfrac{4 *1 }{3.2}

x  = 1.25 ft

So if an oak tree grows at the rate of 1.5 ft in a year.

Then, Mostafa's maple tree grows at the rate of 1.25 ft in a year.

From the given information in the diagram attached below; we can infer that :

Mostafa's maple tree grows at a slower yearly rate than an oak tree.

3 0
3 years ago
EMERGENCY PLEASE HELP!!
laila [671]

10 - x

I think. As you are looking for y so you take away 10 from as to get your answer of y
5 0
3 years ago
Read 2 more answers
the sides of a triangle in the ratio 3 4 5 what is the length of each side if the perimeter of the triangle is 90 centimeters
klasskru [66]
The length of each side are 22.5cm, 30cm and 37.5cm respectively.
5 0
4 years ago
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