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kari74 [83]
3 years ago
9

What is the value of x? (x + 40) (3x)" R 20 35 60 70

Mathematics
1 answer:
vfiekz [6]3 years ago
7 0

Answer:70

Step-by-step explanation:

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I really need help plz help if you help I will help you to
lidiya [134]
2. 3/4 
3. equal
4. not equal
5. not equal
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8. 8/12   2/3
9. draw two squares and divide them both into 3 sections. In the first square color in one section and in the second square color in two sections.
5 0
3 years ago
Two friends, Sasha and Maria, are growing out their hair. They plan to cut it off at a certain
34kurt

Answer:

13 months, 49 cms

Explanation:

For Sasha, multiply 3 and 13 together for the growth per month. You should get 39, then add the 10 cm Sasha already has. The sum is 49.

For Maria, multiply 13 and 1 for the growth per month. You should get 13, then add the 36 Maria already has. The sum is also 49.

Hope this helps!

8 0
3 years ago
Two cars traveling toward each other are 250 miles apart. Car a is traveling 15 miles per hour faster than car
Anon25 [30]

Let car  b be travelling at x  mph.  as they are travelling towards each other their speed of approach is (x + x + 15 ) mph.  So we have the equation

speed = distance / time

2x + 15 =  250 / 2

2x = 125 - 15 = 110

x = 55 mph

Car b travels at 55 mph and car a travels at 70 mph  Answer

3 0
3 years ago
Without solving determine the character of the solutions of the equation x^2+2x+5=0
Sav [38]
★ QUADRATIC RESOLUTION ★

Roots of the given equation will be imaginary because it's discriminant is less than 0 and hence it'll yield imaginary solutions

D < 0

b² - 4ac < 0

4² - 4 ( 5 ) < 0

16 - 20 < 0

-4 < 0

Hence it's character is stated above

★✩★✩★✩★✩★✩★✩★✩★✩★✩★✩★
8 0
3 years ago
Read 2 more answers
If EH = 76, calculate DI.
Montano1993 [528]

Answer:

DI = 38

Step-by-step explanation:

Δ EHC and Δ DIC are similar and ratios of corresponding sides are equal, that is

\frac{DI}{EH} = \frac{DC}{EC} , substitute values

\frac{DI}{76} = \frac{1}{2}  ( cross- multiply )

2DI = 76 ( divide both sides by 2 )

DI = 38

4 0
3 years ago
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