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lilavasa [31]
2 years ago
11

(-7) × (-5) = _____

Mathematics
2 answers:
vitfil [10]2 years ago
8 0
(-7) × (-5) = 35
2 × (-8) = -16
(-11) × 4= (-44)
-8× 8 = (-64)
(-9) × (-9)= 81
(-17) × (-2) =34
(-10) ÷ -2 = 5
44 ÷ (-11)= (-4)
maksim [4K]2 years ago
4 0
<h3><u>Solution</u></h3>

1) (-7) × (-5) =35

2) 2 × (-8) = -16

3). (-11) ×<u> </u><u>4</u><u> </u> = (-44)

4). <u> </u><u> </u><u>(</u><u>-</u><u>8</u><u>)</u><u> </u> × 8 = -64

5). (-17) × (-2) = 34

6). (-10) ÷ <u> </u><u>(</u><u>-</u><u>2</u><u>)</u><u> </u> = 5

7). 44 ÷ <u> </u><u> </u><u>-</u><u>1</u><u>1</u> = (-4)

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Please help ASAP thank you!!!!
mart [117]

Answer:

41. f⁻¹(x) = -9x + 4

43. m⁻¹(x) = ∛(x-2)/4  

Step-by-step explanation:

41. y = (4-x)/9

swap x and y: x = (4-y)/9

solve y: 9x = 4-y

             y = -9x + 4

45. y = 4x³+2

     x = 4y³+2

     4y³ = x-2

     y³ = (x-2)/4

     y = ∛(x-2)/4

Let you do 42 and 46 by yourself

5 0
3 years ago
If a=(-1, -3) and b=(11, -8) what is the length of ab?
professor190 [17]

Answer: D.  The length is 13 units.

Step-by-step explanation:

(-1, -3 )    Find the difference between the x values and y values.

 (11, -8)  

-3-(-8) = 5

-1-11 =   -12    now find the  absolute values.

The absolute value of 5 is 5 .  The absolute value of  -12 is 12.

Now use the Pythagorean Theorem formula a^2 + b^2 =c^2  where c square is the length between AB.

5^2 + 13^2 = C^2

25 + 144 = c^2  

169=c^2

c= 13

8 0
3 years ago
√25 + √144<br>who can solve please​
Masja [62]

Answer:

17

Step-by-step explanation:

√25 = 5

√144 = 12

5 + 12 = 17

Please mark me Brainliest :)

5 0
3 years ago
Read 2 more answers
It will take Adam four hours to drive to Disney Park, and 2.5 times less time if driving 45 mph faster. What is the distance Ada
Mashcka [7]
<h2>Hello!</h2>

The answer is:

The distance to over by Adam to get to the park is 108 miles.

<h2>Why?</h2>

To solve the problem, we need to write two equations using he given information about the times and his speed.

So,

For the first equation we have: Travel to Disney Park

time=4hours

Distance=v*4hours

For the second equation we have: Travel back from Disnery Park

time=4hours-2.5hours=1.5hours

Speed=v+45mph

Distance=(v+45mph)*1.5hours

Then, if Adam covered the same distance going and coming back, we have:

v*4hours=(v+45mph)*1.5hours

v*4hours=v*1.5hours+45mph*1.5hours

v*4hours-v*1.5hours=45mph*1.5hours

v*2.5hours=67.5miles

v=\frac{67.5miles}{2.5hours}=27\frac{miles}{hour}=27mph

We have that the speed when he was going to Disney Park was 27 mph.

Now, to calculate the distance, we need to substitute the obtained speed in any of the two first equations.

Therefore, substituting the speed into the second equation, we have:

Distance=(v+45mph)*1.5hours

Distance=(27mph+45mph)*1.5hours=72mph*1.5hours=108miles

Hence, we have that the distance that Adam should cover to get to the park is 108 miles.

Havea nice day!

8 0
3 years ago
How do temperature humidity and pressure vary within air mass
Savatey [412]
<span>Temperature, humidity, and pressure are basically the same all through an air mass
</span>
8 0
3 years ago
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