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puteri [66]
4 years ago
7

Which expression has the same value as -18-(-9)? 0 -18+2 9 -12-(-3) -10-5

Mathematics
2 answers:
maw [93]4 years ago
8 0

Answer:

None of the given option is correct.

Step-by-step explanation:

The expression given is:

-18-(-9)

= -18+9

= -9

Now checking the options, which will have -9 as answer

1) 0 -18+2

= -18+2

= -16

As answer is not -9, so this is not a correct option

2) 9 -12-(-3)

= 9 - 12 + 3

= 0

As answer is not -9, so this is not a correct option

3) -10-5

= -10-5

= -15

As answer is not -9, so this is not a correct option

So, None of the given option is correct.

Ierofanga [76]4 years ago
7 0
None of them are correct
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How many solutions are there to the equation 4(x-5)=3x+7
stich3 [128]

Answer:

x=27

Step-by-step explanation:

Let's solve your equation step-by-step.

4(x−5)=3x+7

Step 1: Simplify both sides of the equation.

4(x−5)=3x+7

(4)(x)+(4)(−5)=3x+7(Distribute)

4x+−20=3x+7

4x−20=3x+7

Step 2: Subtract 3x from both sides.

4x−20−3x=3x+7−3x

x−20=7

Step 3: Add 20 to both sides.

x−20+20=7+20

x=27

Answer:

x=27

6 0
3 years ago
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Vlad1618 [11]

Answer:

1. 1.6x10 08

2. 2.983x10 04

3.  3.5x10 -04

Step-by-step explanation:

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7 0
4 years ago
The diagnols of a rhombus are 21 and 16 centimeters long find the area of the rhombus
mr_godi [17]

Answer:

  168 cm²

Step-by-step explanation:

The area of a quadrilateral with diagonals that intersect at right angles is half the product of the lengths of the diagonals. A rhombus is one such quadrilateral, so the area of this one is ...

  A = 1/2(d1)(d2)

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3 years ago
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arsen [322]

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Step-by-step explanation:

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3 years ago
Triangle ABC was dilated using the rule Y, 5/4. FCA is equal to eight what is C’A’ 10 units 12 and 16 units 20 units
seropon [69]

Answer:

C'A' = 10units (A)

Question

A complete question related to this found at brainly(question ID 2475535) is stated below.

Triangle ABC was dilated using the rule Dy, 5/4

If CA = 8, what is C'A'?

10 units

12 units

16 units

20 units

Step-by-step explanation:

Given:

Scale factor = 5/4

CA = 8units

Find attached the diagram for the question.

This is a question on dilation. In dilation, figures have the same shapes but different sizes.

Y is the center of dilation

Lengths of ∆ABC: CB, AB, CA

Lengths of ∆A'B'C': C'B', A'B', C'A'

C'B' = scale factor × CB

A'B' = scale factor × AB

C'A' = scale factor × CA

C'A' = 5/4 × 8

C'A' = 40/4

C'A' = 10units (A)

8 0
4 years ago
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