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aksik [14]
3 years ago
6

Evaluate this math equation please

Mathematics
2 answers:
Trava [24]3 years ago
8 0

Answer:

-23

Step-by-step explanation:

x^2 + 5x - 19; x = -4

Replace x with 4 in the expression and evaluate the numerical expression.

x^2 + 5x - 19 =

= (-4)^2 + 5(-4) - 19

= 16 - 20 - 19

= -23

sergejj [24]3 years ago
4 0

Answer:

Step-by-step explanation:

Plug in the numbers & solve for 5x, eventually eliminating the 5 to solve for x, which the variable should be on the left side, always.

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Nataly [62]
Try this dude i hope it is right
5 0
2 years ago
What value of a makes the equation true 3(a+1.5)=-1.5
Mariana [72]
3* (a + 1,5) = - 1,5     [:3
a + 1.5 = - 0,5
a = - 0,5 - 1.5 = -2


7 0
3 years ago
Read 2 more answers
Convert into decimals (use your calculator): a) 6/38 b) 45/55 c) 4/28 d) 35/28 e) 1030/2030
Delicious77 [7]

Answer:

a.\hspace{3} \frac{6}{38} = 0.15789474\\\\b.\hspace{3} \frac{45}{55} = 0.81818181\\\\c.\hspace{3} \frac{4}{28} = 0.14285714\\\\d.\hspace{3} \frac{35}{28} = 1.25\\\\e.\hspace{3} \frac{1030}{2030} = 0.50738916

Step-by-step explanation:

Rational numbers, expressed as decimal numbers, are obtained from the operation of division between the integer of the numerator and the integer of the denominator. Then:

a.\hspace{3} \frac{6}{38} = 6\div38 = 0.15789474\\\\ b.\hspace{3} \frac{45}{55} = 45\div55 = 0.81818181\\\\c.\hspace{3} \frac{4}{28} = 4\div28 = 0.14285714\\\\ d.\hspace{3} \frac{35}{28} = 35\div28 = 1.25\\\\ e.\hspace{3} \frac{1030}{2030} = 1030\div2030 = 0.50738916

3 0
3 years ago
Geometry 100 pts plz help!!! screenshot attatched
nirvana33 [79]

Answer:

1. A

2. D

3. C

4. E

5. B

Step-by-step explanation:

8 0
3 years ago
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What's the decimal 0.87 as a fraction in simplest form
eimsori [14]
0.87 is 87/100 as a fraction.

Since 87/100 is already simplified, the answer is 87/100.

Hope this helps!
5 0
3 years ago
Read 2 more answers
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