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Effectus [21]
4 years ago
10

What is {[(8x7)-30]+[(6x4)+13]}divided by9

Mathematics
1 answer:
gtnhenbr [62]4 years ago
3 0
31.8 hope this helps too
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H(x)=2x-6 find the value. -2[h(3)]
defon

Answer:

-2[h(3)] = 0

Step-by-step explanation:

Step 1: Define

h(x) = 2x - 6

Step 2: Find h(3)

h(3) = 2(3) - 6

h(3) = 6 - 6

h(3) = 0

Step 3: Find -2[h(3)]

-2(0)

0

3 0
4 years ago
The sum of two numbers is 65. The larger number is 23 more than the smaller number . What are the numbers ?
KiRa [710]
Let's represent the smaller number by x and the larger number x+23
x+x+23=65                                      x+23=21+23=44                                                                                                        So the two numbers are 21 and 44
2x+23=65
2x+23-23=65-23
2x=42
2x/2=42/2
x=21
5 0
3 years ago
8,9,10,11,11,14,18,28,28,29,40,41,41,44,45,47,55 which histogram represents data
Elenna [48]

Answer:

did this b4

Step-by-step explanation:

I used bars of width 10.  There are 3 values from 0-9; 4 values from 10-19; 3 values from 20-29; 0 values from 30-39; 6 values from 40-49; and 1 value from 50-59.

please mark as brainliest

3 0
3 years ago
Read 2 more answers
A flagpole which is 40 feet high casts a shadow on level ground. At the time when the shadow is 30 feet long, the angle that the
eimsori [14]

Answer: The rate = 8.5 ft/h

Step-by-step explanation:

Since we are going to need to differentiate to find the rate of change of θ we need to express it in radians rather than degrees.

Therefore, 15 degree per hour will be expressed as

15° × π/180 = 0.2618rad/hour

Using trigonometry function to find Ø

Tan Ø = 40/30 = 1.333

Ø = 53 degree

Convert it to radian

Ø = 0.93 rad

The changing at a rate of 15o per hour will be

Rate = radian/ time

0.2618 = (0.93 -0)/t

t = 0.93/0.2618

t = 3.5 hours

The rate of change in the length of the shadow at that same time will be:

Rate = 30/3.5 = 8.5 ft/ hour

7 0
4 years ago
A rectangle has a length of 11" and a width of 8.5" this rectangle is dilated by a scale factor of 2.2 to create a new rectangle
olga nikolaevna [1]
The width is 18.7in because you multiply 2.2 by 8.5 in. And the length is 24.2in because you multiply 2.2 by 11 also.
4 0
4 years ago
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