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Anvisha [2.4K]
3 years ago
6

9 - 3 ( 5 - 4 x ) =====

Mathematics
2 answers:
kodGreya [7K]3 years ago
5 0

Answer:

Step-by-step explanation:

9 - (3 × 5) - (3 × 4x)

= 9 - 15 - 12x

= 6 - 12x

Zielflug [23.3K]3 years ago
5 0

Answer:

-12x-6

Step-by-step explanation:

9-3(5-4x)

first we can use distributive property

9-15-12x

-6-12x

-12x-6

You might be interested in
classify the pair of angles. (supplementary, adjacent, vertical, or complementary) then find the value of x.
earnstyle [38]

Answer:

Supplementary angles; 148°

Step-by-step explanation:

180° - 32° = 148° (supplementary angles)

8 0
2 years ago
There are 196 countries in the world. How many students must be enrolled in a university to guarantee that there are at least 20
cestrela7 [59]

Answer:

At least 39200 students.

Step-by-step explanation:

Given that there are 196 countries in the world, and each country would have at least 200 students in a university.

For each country to have at least 200 students in the university, then;

Number of students enrolled in the university = number of required students x number of countries

                                      = 200 x 196

                                      = 39200

At least, 39200 students must be enrolled in the university. Provided that the admission procedures are conditioned for the purpose.

3 0
2 years ago
Tia, Leah, and Tim all solve the problem 3(-x + 4) = -3x - 12. Tia solved and decided that the solution is x= 4. Leah solved the
nexus9112 [7]

Answer:

Tina

Step-by-step explanation:

bc if you sub in 4 for x the equations on both sides are 0

check:

-4 + 4 = 0                         -3 x 4 = -12

0 x 3 = 0                          12 + -12 = 0

                    0 = 0

please mark this as brainiest!!!!

5 0
3 years ago
Convert the following numbers of calories or
kap26 [50]

Answer:

  • 32.823 kJ
  • 190.4 kJ
  • 260.00 kJ
  • 180.012 kJ

Step-by-step explanation:

The conversion factor for food energy or thermochemical calorimetry* is ...

  1 calorie = 4.184 J

  1000 calorie = 4.184 kJ

__

a. 7845 cal = 7845·4.184 J = 32,823 J = 32.823 kJ

b. 4.55·10^4 cal = 4.55·10^4·4.184 J = 1.904·10^5 J = 190.4 kJ

c. 62.142 kcal = 62.142·4.184 kJ = 260.00 kJ

d. 43,024 cal = 43,024·4.184 J = 180,012 J = 180.012 kJ

_____

* The thermochemical calorie is defined in terms of the heat capacity of water. An international calorie of 4.1868 J is defined in terms of energy, without respect to the heat capacity of water.

6 0
3 years ago
75% of the whole is 180. What's the whole?<br> .
Veronika [31]
Solution for What is 75 percent of 180:

75 percent *180 =

( 75:100)*180 =

( 75*180):100 =

13500:100 = 135

Now we have: 75 percent of 180 = 135

Question: What is 75 percent of 180?

Percentage solution with steps:

Step 1: Our output value is 180.

Step 2: We represent the unknown value with $x$x​.

Step 3: From step 1 above,$180=100\%$180=100%​.

Step 4: Similarly, $x=75\%$x=75%​.

Step 5: This results in a pair of simple equations:

$180=100\%(1)$180=100%(1)​.

$x=75\%(2)$x=75%(2)​.

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both
equations have the same unit (%); we have

$\frac{180}{x}=\frac{100\%}{75\%}$
180
x​=
100%
75%​​

Step 7: Again, the reciprocal of both sides gives

$\frac{x}{180}=\frac{75}{100}$
x
180​=
75
100​​

$\Rightarrow x=135$⇒x=135​

Therefore, $75\%$75%​ of $180$180​ is $135$
8 0
3 years ago
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