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miv72 [106K]
3 years ago
12

What is the value of 3ab+5b-6 when a=1 and b = 3

Mathematics
1 answer:
Jet001 [13]3 years ago
8 0
The value of 3ab+5b-5 is 18

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If G(x) = 3x + 1, then G -1(1) is<br> 4<br> 1/3<br> 0
Eduardwww [97]

Answer:

0


Step-by-step explanation:

g(x) = 3x + 1 \\\ y = 3x + 1


Changing x to y and y to x:


x = 3y + 1 \\\ 3y = x - 1 \\\ y = \frac{x - 1}{3} \\\ g^{-1}(x) = \frac{x - 1}{3} \\\ g^{- 1} (1) = \frac{1 - 1}{3} \\\ g^{- 1} (1) = 0


I hope I helped you.

4 0
3 years ago
Find x please!!<br> a.10<br> b.32<br> c.116<br> d.16
AysviL [449]

9514 1404 393

Answer:

  (d)  16

Step-by-step explanation:

Angles opposite sides of the same measure are congruent. Here, the triangle is isosceles, so the base angles are congruent:

  2x = 32

  x = 16 . . . . . . divide by 2°

5 0
3 years ago
John wanted to estimate the product of 5.2 and 6.7. What is the best estimate for his problem?
NNADVOKAT [17]
Round 5.2 down to 5 and Round 6.7 to 7.
5+7=12
8 0
3 years ago
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Patty bought cupcakes for her sister's birthday party. 15 out of the 25 cupcakes had sprinkles on top. What percentage of the cu
Dafna11 [192]

Answer:

60%

Step-by-step explanation:

15/25=.6

6 0
2 years ago
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Look at the right-angled triangle ABC.
Nikolay [14]

Answer:

∠x = 90°

∠y = 58°

∠z = 32°

Step-by-step explanation:

The dimensions of the angles given are;

∠B = 32°

Whereby ΔABC is a right-angled triangle, and the square fits at angle A, we have;

∠A = 90°

∴ ∠B + ∠C = 90° which gives

32° + ∠C = 90°

∠C = 58°

∠x + Interior angle of the square = 180° (Sum of angles on a straight line)

∴ ∠x + 90° = 180°

Hence;

∠x = 90°

∠x + ∠y + 32° = 180° (Sum of angles in a triangle)

∴ 90° + ∠y + 32° = 180°

∠y = 180 - 90° - 32° = 58°

∠y + ∠z + Interior angle of the square = 180° (Sum of angles on a straight line)

58° + ∠z +90° = 180°

∴ ∠z = 32°

∠x = 90°

∠y = 58°

∠z = 32°

3 0
3 years ago
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