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3 years ago

What is the answer to this (-12+7

2 answers:

8 0

To solve a positive being added to a negative, just change it to the positive minus the negative. Instead of -12+7, do 7-12. So, your answer would be -5 since 12 less than 7 is negative 5.

katen-ka-za [31]3 years ago

5 0

Positive 5 is the answer

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PLSSSS HELPPP 18 POINTS MATHHH PLSSS HELPPP

notsponge [240]

Answer:

$\sf \bf 81x^8$

Step-by-step explanation:

<h3>Exponent rule:</h3>

In exponent multiplication, if bases are same, add the exponents.

$\sf \bf a^m*a^n = a^{m+n}$

$\sf (-9x^5)(-9x^3) = (-9)*(-9) * x^{5+3}$

$\sf = 81x^8$

8 0

1 year ago

Read 2 more answers

1 × 100000 3x 10000 9 ×1000 8×100 5x 10 2 × 1 in standard form and word form

Ilya [14]

139852
one hundred thirty nine thousands eight hundred fifty two

5 0

3 years ago

What is the value 7 in the number 506,087

AleksAgata [21]

1 cause it goes 1 10 100 1000 10,000 100,000

5 0

3 years ago

If m∠5 = 115 degrees, find m∠1 =

lana66690 [7]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

Question 1. If m∠5 = 115 degrees, find m∠1 = 115°

because they form corresponding Angle pair

Question 2. If m∠7 = 30 degrees, find m∠2 = 30°

because they form Alternate Exterior angle pair

Question 3. If m∠6 = 50 degrees, find m∠4 = 50°

because they form Alternate Interior Angle pair

Question 4. If m∠4 = 72 degrees, find m∠1 = 108°

because they form linear pair, their sum = 180°

Angle 4 + Angle 1 =180°

Angle 1 = 180° - Angle 4

Angle 1 = 180° - 72°

Angle 1 = 108°

4 0

3 years ago

Buddy and his team have been asked by NASA to make a space shuttle cake (a scale model shaped like the one to the left) for a fu

Murrr4er [49]

Answer:

Ivette is wrong and by a lot. The spaceship should be 23.59 feet high

Step-by-step explanation:

The relationship between the spaceship's height and width = 184 feet : 78 feet ≈ 92 : 39 ≈ 9.2 : 3.9. This means that for every 3.9 feet wide, the cake should be 9.2 feet high.

In this case, the spaceship is 10 feet wide, so it should be (10 / 3.9) x 9.2 = 23.59 feet high.

When you make scale drawings or scale cakes, you must keep the same proportions as the original model.

4 0

3 years ago