3 years ago

What is 7/8 - 2/3 equal

Mathematics

1 answer:

Arturiano [62]3 years ago

8 0

Answer:

5/24 is your answer

Step-by-step explanation:

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Solve- -4 1/4+ (5 1/2) =

Mademuasel [1]

Answer:

1,5

Step-by-step explanation:

-4• 1/4 + (5•1/2)=

-4/4 + (5/2)

-1+2,5=

+1,5

3 0

3 years ago

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Using the Following Image, solve for x

OlgaM077 [116]

Answer:

x = 2

Step-by-step explanation:

x + 1 + 4 = 2x + 3

x + 5 = 2x +3

x + 2 = 2x

2 = x

x = 2

5 0

2 years ago

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The rate constant for this first‑order reaction is 0.740 s − 1 0.740 s−1 at 400 ∘ C. 400 ∘C. A ⟶ products A⟶products How long, i

sesenic [268]

Answer:

1.668 S

Step-by-step explanation:

We are given that

$A\rightarrow$ Product

For first order reaction,

$t=\frac{1}{k}ln\frac{A_0}{A}$

$t=\frac{2.303}{k}log\frac{A_0}{A}$

Rate constant=k= $0.740s^{-1}$

Temperature= $T=400^{\circ}$

We have to find the time taken by the reaction when concentration of A to decrease from 0.790 M to 0.230 M.

$A_0=0.79 M$

$A=0.230$

Substitute the values then we get

$t=\frac{2.303}{0.740}log\frac{0.79}{0.23}$

$t=1.668 s$

Hence, it would take 1.668 s for the concentration of A to decrease from 0.790 M to 0.230 M.

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4 years ago

Evaluate. 43⋅(10025)−50

inna [77]

The dot means to mutiply
so 43 x 10025 -50
since BEDMAS is applied,
we would do the multiplication first
43 x 10025 = 431075
and <span>431075 - 50 is 431025
FINAL ANSWER: 431025</span>

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3 years ago

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Solve the following system of equations algebraically:<br> y = – 4x + 22<br> y = 3x + 10

ivolga24 [154]

Answer:

Answer

Step-by-step explanation:

y=-4x+22

x=(11/2,0)

y=(0,22)

y=3x+10

x=(-10/3,0)

y=(0,10)

3 0

3 years ago