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igor_vitrenko [27]
2 years ago
14

Evaluate the expression a - 4 when a = -8

Mathematics
1 answer:
natima [27]2 years ago
6 0

Answer:

-12

Step-by-step explanation:

To evaluate the expression the known value of a = -8 can be substituted in so the equation becomes -8 - 4.

From there the subtraction can be completed which equals -12. This can be visually seen on a number line if you look at -8 and move left 4 spaces.

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Estimate -9 1/6+2 1/3+(-1 7/8)
Eduardwww [97]

Answer:

-9

Step-by-step explanation:

-9+2-2=-9

5 0
3 years ago
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gizmo_the_mogwai [7]
11111111111111111111111111

6 0
3 years ago
Solve for x: |4x + 12| = 16
JulijaS [17]
4x+12=16
4x=4
x=1

or

-(4x+12)=16
-4x-12=16
-4x=28
x=-7

answer Choice C is correct
6 0
3 years ago
Read 2 more answers
Prove ABC~EDC ?
erastova [34]

Answer:

AA similarity theorem

Step-by-step explanation:

we know that

<u>AA (Angle-Angle) Similarity</u> states that  In two triangles, if two pairs of corresponding angles are congruent, then the triangles are similar

In this problem we have that

∠BCA=∠ECD ----> by vertical angles

∠BAC=∠DEC ---> because AB is parallel to ED (alternate interior angles)

therefore

Triangles ABC and EDC are similar by AA similarity theorem

8 0
3 years ago
Which inequality represents the sentence below? The difference of a number and one and four tenths is more than nine and seventy
Marianna [84]

The inequality represents the sentence below is that the p minus 1. 4 greater-than 9.

<h3>What is the inequality equation?</h3>

Inequality equation is the equation in which the two expressions are compared with greater than, less than or other inequality signs.

Given that the difference of a number and one and four tenths is more than nine and seventy-eight hundredths.

Before solving it, first let's discuss the tenth and hundredths,

  • Tenth is written as the fractional part of the number 10. The value of one tenth is equal to 1/10 or 0.1.
  • Hundredths is written as the fractional part of the number 100. The value of one hundredth is equal to 1/100 or 0.01.

Here, the sentence given that the difference of a number and one and four tenths is more than nine and seventy-eight hundredths.

One and four tenths can be written as,

1\dfrac{4}{10}

Nine and seventy-eight hundredths can be written as,

9\dfrac{78}{100}

Let suppose the number is <em>p</em>. This difference of this number and one four tenths is more than nine and seventy-eight hundredths. Thus,

p-1\dfrac{4}{10} > 9\dfrac{78}{100}\\p-\dfrac{14}{10} > \dfrac{978}{100}\\p-1.4 > 9.78\\

Hence, the inequality represents the sentence below is that the p minus 1. 4 greater-than 9.

Learn more about the inequality equation here:

brainly.com/question/17724536

3 0
2 years ago
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