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yarga [219]
3 years ago
15

What is d –10 – 2d + 7 = 8 + d – 10 – 3d

Mathematics
1 answer:
ladessa [460]3 years ago
4 0

Answer:

d = 1, so 1 - 10 - 2*1 + 7 = 8 + 1 - 10 - 3*1 is true!

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SOMEONE PLEASEEEEEE HELPPPPP ASAPPPP I NEED THE ANSWER
yulyashka [42]

Answer:

34° is the closest to the record high in degree Fahrenheit ⇒ C

Step-by-step explanation:

∵ The formula F = \frac{9}{5} C + 32 is used to convert the temperature from

    degrees Celsius (C) to degree Fahrenheit (F)

∵ The high temperature in Chicago is 1° Celsius

→ Substitute C in the formula above by 1

∴ F = \frac{9}{5} (1) + 32

∴ F =  \frac{9}{5}  + 32

∴ F = 33.8°

→ Round it to the nearest degree Fahrenheit

∴ F ≅ 34°

∴ 34° is the closest to the record high in degree Fahrenheit

7 0
3 years ago
The length of a rectangle is 4 units less than the width. The area of the rectangle is 21 units. What is the length, in units, o
bazaltina [42]

The formula of an area of a rectangle:

A = wl

We have l = w - 4 and A = 21.

Substitute:

w(w - 4) = 21       <em>use distributive property</em>

(w)(w) + (w)(-4) = 21

w² - 4w = 21     <em>subtract 21 from both sides</em>

w² - 4w - 21 = 0

w² - 7w + 3w - 21 = 0

w(w - 7) + 3(w - 7) = 0

(w - 7)(w + 3) = 0 ↔ w - 7 = 0 ∨ w + 3 = 0

w = 7 ∨ w = -3 < 0

l = w - 4 → l = 7 - 4 = 3

<h3>Answer: the length = 3 u.</h3>
4 0
3 years ago
what is the equation in point-slope form of the line that passes through the point (4, "-7)" and has a slope of "-1/4"
Leona [35]

Answer:

y+7=-1/4(x-4) i think

Step-by-step explanation:

6 0
3 years ago
Jordan surveyed her friends about whether or not they had a minivan and whether or not they lived in a two-story house. She repo
Anarel [89]

Its D It is least likely that one of her friends does not have a minivan and does not live in a two story house.

5 0
3 years ago
Read 2 more answers
NEED HELP
blagie [28]

Answer:

Range: [-7, 8]

General Formulas and Concepts:

<u>Algebra I</u>

  • Reading a coordinate plane
  • Range is the set of y-values that are outputted by function f(x)
  • Interval Notation: [Brackets] denote inclusion, (Parenthesis) denote exclusion

Step-by-step explanation:

According to the graph, our y-values span from -7 to 8. Since both are closed dot, they are included in the range:

Range: [-7, 8]

3 0
3 years ago
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