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jarptica [38.1K]
3 years ago
5

What is the result of adding 7 to −7? A) −14 B) −7 C) 0 D) 14

Mathematics
2 answers:
skad [1K]3 years ago
6 0

Answer:

it would be C.

Step-by-step explanation:

if you have 7 dogs and take away 7 you have 0 dogs.

mojhsa [17]3 years ago
3 0
C. 0

In this case they are the same number but opposite.

If we were to do 7-7 it is equal 0. When we look at it, there is a 7 and a -7 even though everyone knows that the answer is 0, you can see they look the same. Now, let’s look at the other choices.

A is wrong because -7 + -7 = -14

B is wrong because -7 + 0

D is wrong because 7 + 7 = 14

Hope this helps, have a great day, and stay safe!!

:)
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Megan and Heidi are making cookies for an upcoming bake sale. Megan is making chocolate chip cookies and Heidi is making sugar c
koban [17]

Answer:

Heidi (260 cookies)

Step-by-step explanation:

Megan's equation is given as y=8x, where x is the number of bags, and y the number of cookies:

#First calculate Heidi's total number of bags, cookies and cookies:

H_b=\sum{bags}\\\\=10+12+14+16\\\\=52 \ bags\\\\H_c=\sum{cookies}\\\\=50+60+70+80\\\\=260 \ cookies

#Given that both Heidi and Megan make the same number of bags of cookies, Megan's cookies totals to:

H_b=M_B=52 \ Bags\\\\M_c=y=8x, x=52\\\\y=8\times 52\\\\=416\\

Hence, Megan makes 416 cookies.

#From our calculations:

416>260\\\\M_c>H_c

Hence, Heidi makes the least number of cookies(260 cookies) compared to Megan's 416 cookies.

7 0
3 years ago
5x5x5x5x6x7x8x8x9x9x9x9x9x9x10x12x13x14x15x16x17x18x19x20<br><br> WHAT DOES THIS EQUAL
trapecia [35]

Answer:

5.441683e+23

Step-by-step explanation:

Hope it helped brainiest plz

5 0
2 years ago
Read 2 more answers
Work out the value of 5x8 x 5-2/5x4
Alisiya [41]

Answer:

=6

Step-by-step explanation:

(5×8)×(5-2)/(5×4)

Numerator =40×3

=120

Denominator = 5×4

=20

simplifying 120/20

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5 0
2 years ago
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Find the slope from (0,0) to (10,10)
juin [17]

Answer:

the slope is 1

Step-by-step explanation:

5 0
3 years ago
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Simplify (-2x^3)^2 x y x y^9
nadezda [96]
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Explanation:
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= 4x^3 x 2 x y^1+9
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8 0
3 years ago
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