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Novosadov [1.4K]
3 years ago
8

Make g the subject of the formula 3e + 4g = 7 + 9e

Mathematics
2 answers:
dsp733 years ago
6 0

Answer:

g = 7 + 9e - 3e /4

Step-by-step explanation:

3e + 4g = 7 + 9e

Subtract 3e from both sides to eliminate 3e on the left side

3e - 3e + 4g = 7 + 9e - 3e

4g = 7 + 9e - 3e

Divide both sides by 4 to isolate g

4g/4 = 7 + 9e - 3e /4

g = 7 + 9e - 3e /4

NISA [10]3 years ago
3 0

Answer:

g=(7+9e-3e)/4

Step-by-step explanation:

3e+4g=7+9e

4g=7+9e-3e

g=(7+9e-3e)/4

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Describe and correct the error in writing the verbal sentence as an equation or an inequality.
irinina [24]

The error with this inequality is that they had used a > (greater than) symbol instead of ≤ (less than or equal to) symbol. With this verbal sentence, "is at most 15" implies that while the quotient <em>can</em> be 15, it cannot be greater than that.

The correct inequality is: t ÷ 4.2 ≤ 15.

6 0
3 years ago
If a scale is 1:250,000 and the distance is 8.5cm on the map what's the actual distance
timurjin [86]
8.5cm · 250,000 = 2,125,000cm

1m = 100cm therefore 1cm = 0.01m

2,125,000cm = 2,125,000 · 0.01 = 21,250m

1km = 1,000m therefore 1m = 0.001km

21,250m = 21,250 · 0.001km = 21.25km

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7 0
4 years ago
How many band uniforms can be made with 131 3/4 yards of fabric if each uniform requires 3 7/8 yards
ElenaW [278]
The question can be read as how many 3 \frac{7}{8} can be made out of 131 \frac{3}{4}

131 \frac{3}{4}÷3 \frac{7}{8} ⇒ We need to change each mixed number into an improper fraction

131 \frac{3}{4}= \frac{[131*4]+3}{4}= \frac{527}{4}
3 \frac{7}{8}= \frac{[3*8]+7}{8}  = \frac{31}{8}

\frac{527}{4}÷\frac{31}{8}
\frac{527}{4}×\frac{8}{31}
\frac{527*8}{4*31}= \frac{4216}{248} =17

Answer: 17 uniform

7 0
3 years ago
The first term in a sequence is -2 and the common ratio is 3. What is the sixth term of the sequence?
AlekseyPX
It's the Geometric Sequence.

The n<span>-th term of a geometric sequence with initial value </span>a<span> and common ratio </span>r<span> is given by:
</span>
a_n=a_1\cdot r^{n-1}\ for\ n\in\mathbb{N^+}

We have:

a_1=-2;\ r=3;\ n=6

Substitute:

a_6=-2\cdot3^{6-1}=-2\cdot3^5=-2\cdot243=-486

Answer: The sixth term is equal -486.
7 0
3 years ago
Can anybody explain the laws of exponents to me?<br> I have a test on Monday, so it's important!
Darya [45]

Hi there!

With exponents, there are a few things to keep in mind:

1. Do <u>not </u>multiply the base by the exponent (the base is the number that has an exponent; for example, 3 is the base of 3^2)

2. On the computer, exponents are signaled by this sign ^.

3. The exponent is the number of times you multiply the base by itself

Let's say you're given this exponent : 6^3

Because the exponent is 3, we need to multiply 6 by 6 a total of 3 times. It's tricky, but here's how you do it:

(6 * 6) * 6

36 * 6 = 216

So, 6^3 is 216

Here's another example:

9^5

(9*9) * 9* 9* 9

[81 * 9]*9 *9

[729 * 9] * 9

6561 * 9

59049

4 0
3 years ago
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