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emmainna [20.7K]
3 years ago
10

Eddie has already written 23 pages, and he expects to write 1 page for every additional hour spent writing. After spending 21 ho

urs writing this week, how many pages will Eddit have written in Total?​
Mathematics
2 answers:
padilas [110]3 years ago
8 0

Answer:

44

Step-by-step explanation:

1x21=21

21+23=44

Allushta [10]3 years ago
7 0

Answer:

He written 21 pages

Step-by-step explanation:

he wants to spend one hour on each page so if he spends 21 hours = 21 pages

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What is 20x8 divided by 3-5
german

Answer:

-80

Step-by-step explanation:

→ Complete the multiplication

20 × 8 = 160

→ Complete the take away

3 - 5 = -2

→ Divide the two answers from each other

160 ÷ -2 = -80

7 0
2 years ago
How many minutes are in 2 3/5 hours
Temka [501]
156 minutes are in 2 and 3/5 of an hour. 
4 0
3 years ago
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Find f(-2) for f(x) = 2(4)^x<br><br> O A.1/16<br> O B.1/8<br> O C. -16<br> OD. - 32
scoray [572]

Answer:

B. 1/8

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<u />\displaystyle f(x) = 2(4)^x\\f(-2) \ is \ x = -2<u />

<u />

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    \displaystyle f(-2) = 2(4)^{-2}
  2. Exponents:                          \displaystyle f(-2) = 2(\frac{1}{16})
  3. Multiply:                               \displaystyle f(-2) = \frac{1}{8}
5 0
2 years ago
Radioactive​ uranium-235 has a​ half-life of about 700 million years. Suppose you find a rock and chemical analysis tells you th
Natalka [10]

Answer:

  A.  2.8 billion years old

Step-by-step explanation:

1/16 = (1/2)^4, so 4 half-lives have elapsed.

  4 · 0.700 billion years = 2.8 billion years

The rock is 2.8 billion years old.

5 0
3 years ago
Read 2 more answers
PLZ HELP WITH ME WITH MY MATH HOMEWORK!!!!! SHOW WORK!!!!!
Svet_ta [14]

<u>Explanation:</u>

(I). 5/6 (4X+8) = (3/8) X - (1/4)

→ [{5(4X) + 5(8)}/6] = (3/8)X - (1/4)

→ [{20X + 40}/6] = (3/8)X - (1/4)

→ [{(20X/6) + (40/6) = (3/7)X - (1/4)

Now,

shift all variables fraction on LHS and constant fraction on RHS.

→ [(20X/6) - (3X/7)]= -(1/4) - (40/6)

Take the LCM of LHS denominator of 6&7 is 42.

→ [(140X - 18X)/42] = -(1/4)-(40/6)

→ [(122X)/42] = -(1/4)-(40/6)

Again take the LCM of the denominator in RHS i.e 4&6 is 12.

→ [(122X)/42] = (-12 - 80)/4

→ [(122X)/42] = (-92)/4

By doing Cross multiply the fraction, we get

→ 4(122X) = 42(-92)

→ 488X = -3 864

→ X = -3 864÷488

Therefore, X = -3864/488

<u>Answer</u>: Hence, the value of X for the given problem is -3864:488.

<u>Explanation:</u>

ii)Given algebraic equation is: 5(3p-5)+4p=5p-6(p+4)

→ 15p - 25 + 4p = 5p - 6p + 24

Shift all variables in LHS and constant on RHS.

→ 15p + 4p +6p = 25+24

→ 19p + 6p = 49

→ 25p = 49

Shift the number 25 from LHS to RHS.

Therefore, p = 49/25.

<u>Answer:</u> Hence, the value of P for the given algebraic equation is 49/25.

6 0
2 years ago
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